Waly MI, Essa MM, Ali Ajijbmr. The global burden of type 2 diabetes: a review. 2010;1(4):326–9.
Khan MAB, Hashim MJ, King JK, Govender RD, Mustafa H, AlKaabi J, et al. Epidemiology of type 2 diabetes–global burden of disease and forecasted trends. J Epidemiol Glob Health. 2020;10(1):107.
Article
Google Scholar
American Diabetes Association; Diagnosis and Classification of Diabetes Mellitus. Diabetes Care. 2004;27(suppl_1): s5–s10.
Lotfy M, Adeghate J, Kalasz H, Singh J, Adeghate E. Chronic complications of diabetes mellitus: a mini review. Curr Diabetes Rev. 2017;13(1):3–10.
Article
CAS
Google Scholar
Ramtahal R, Khan C, Maharaj-Khan K, Nallamothu S, Hinds A, Dhanoo A, et al. Prevalence of self-reported sleep duration and sleep habits in type 2 diabetes patients in South Trinidad. J Epidemiol Glob Health. 2015;5(4):S35–43.
Article
Google Scholar
Bikle D. Nonclassic actions of vitamin D. J Clin Endocrinol Metab. 2009;94(1):26–34.
Article
CAS
Google Scholar
Holick MF. Vitamin D deficiency. N Engl J Med. 2007;357(3):266–81.
Article
CAS
Google Scholar
Borissova AM, Tankova T, Kirilov G, Dakovska L, Kovacheva R. The effect of vitamin D3 on insulin secretion and peripheral insulin sensitivity in type 2 diabetic patients. Int J Clin Pract. 2003;57(4):258–61.
CAS
Google Scholar
Pitocco D, Crinò A, Di Stasio E, Manfrini S, Guglielmi C, Spera S, et al. The effects of calcitriol and nicotinamide on residual pancreatic beta-cell function in patients with recent-onset Type 1 diabetes (IMDIAB XI). Diabet Med. 2006;23(8):920–3.
Article
CAS
Google Scholar
Mitri J, Pittas AG. Vitamin D and diabetes. Endocrinol Metab Clin North Am. 2014;43(1):205–32.
Article
Google Scholar
Fadda GZ, Akmal M, Lipson LG, Massry SG. Direct effect of parathyroid hormone on insulin secretion from pancreatic islets. Am J Physiol. 1990;258(6 Pt 1):E975–84.
CAS
Google Scholar
Xiao Y, Wei L, Xiong X, Yang M, Sun L. Association between vitamin D status and diabetic complications in patients with type 2 diabetes mellitus: a cross-sectional study in Hunan China. Front Endocrinol. 2020;11: 564738.
Article
Google Scholar
Butler AE, Dargham SR, Latif A, Mokhtar HR, Robay A, Chidiac OM, et al. Association of vitamin D(3) and its metabolites in patients with and without type 2 diabetes and their relationship to diabetes complications. Ther Adv Chronic Dis. 2020;11:2040622320924159.
Article
CAS
Google Scholar
Dai J, Yu M, Chen H, Chai Y. Association between serum 25-OH-vitamin D and diabetic foot ulcer in patients with type 2 diabetes. Front Nutr. 2020;7:109.
Article
Google Scholar
Gulseth HL, Gjelstad IM, Birkeland KI, Drevon CA. Vitamin D and the metabolic syndrome. Curr Vasc Pharmacol. 2013;11(6):968–84.
Article
CAS
Google Scholar
Pittas AG, Lau J, Hu FB, Dawson-Hughes B. The role of vitamin D and calcium in type 2 diabetes. A systematic review and meta-analysis. J Clin Endocrinol Metab. 2007;92(6):2017–29.
Article
CAS
Google Scholar
Wang L, Liu X, Hou J, Wei D, Liu P, Fan K, et al. Serum Vitamin D Affected Type 2 Diabetes though Altering Lipid Profile and Modified the Effects of Testosterone on Diabetes Status. Nutrients. 2020;13(1):90.
Ahmed LHM, Butler AE, Dargham SR, Latif A, Robay A, Chidiac OM, et al. Association of vitamin D(2) and D(3) with type 2 diabetes complications. BMC Endocr Disord. 2020;20(1):65.
Article
CAS
Google Scholar
Mattila C, Knekt P, Männistö S, Rissanen H, Laaksonen MA, Montonen J, et al. Serum 25-hydroxyvitamin D concentration and subsequent risk of type 2 diabetes. Diabetes Care. 2007;30(10):2569–70.
Article
CAS
Google Scholar
Forouhi NG, Luan J, Cooper A, Boucher BJ, Wareham NJ. Baseline serum 25-hydroxy vitamin d is predictive of future glycemic status and insulin resistance: the medical research council Ely prospective study 1990–2000. Diabetes. 2008;57(10):2619–25.
Article
CAS
Google Scholar
Zhao LM, Tian XQ, Ge JP, Xu YC. Vitamin D intake and type 2 diabetes risk: a meta-analysis of prospective cohort studies. Afr Health Sci. 2013;13(4):1130–8.
Article
Google Scholar
Zheng JS, Luan J, Sofianopoulou E, Sharp SJ, Day FR, Imamura F, et al. The association between circulating 25-hydroxyvitamin D metabolites and type 2 diabetes in European populations: a meta-analysis and Mendelian randomisation analysis. PLoS medicine. 17(10):e1003394.
Gulseth HL, Wium C, Angel K, Eriksen EF, Birkeland KI. Effects of vitamin D supplementation on insulin sensitivity and insulin secretion in subjects with Type 2 diabetes and vitamin D deficiency: a randomized controlled trial. Diabetes Care. 2017;40(7):872–8.
Article
CAS
Google Scholar
Safarpour P, Daneshi-Maskooni M, Vafa M, Nourbakhsh M, Janani L, Maddah M, et al. Vitamin D supplementation improves SIRT1, Irisin, and glucose indices in overweight or obese type 2 diabetic patients: a double-blind randomized placebo-controlled clinical trial. BMC family practice. 2020;21(1):26.
Article
CAS
Google Scholar
Baziar N, Jafarian K, Shadman Z, Qorbani M, Nikoo MK, Abd Mishani MJIRCMJ. Effect of therapeutic dose of vitamin D on serum adiponectin and glycemia in vitamin D-insufficient or deficient type 2 diabetic patients. 2014;16(9).
Elkassaby S, Harrison LC, Mazzitelli N, Wentworth JM, Colman PG, Spelman T, et al. A randomised controlled trial of high dose vitamin D in recent-onset type 2 diabetes. Diabetes Res Clin Pract. 2014;106(3):576–82.
Article
CAS
Google Scholar
Krul-Poel YH, Westra S, ten Boekel E, ter Wee MM, van Schoor NM, van Wijland H, et al. Effect of vitamin D supplementation on glycemic control in patients with type 2 diabetes (SUNNY trial): a randomized placebo-controlled trial. Diabetes Care. 2015;38(8):1420–6.
Article
CAS
Google Scholar
Li X, Liu Y, Zheng Y, Wang P, Zhang Y. The effect of vitamin D supplementation on glycemic control in type 2 diabetes patients: a systematic review and meta-analysis. Nutrients. 2018;10(3):375.
Wu C, Qiu S, Zhu X, Li L. Vitamin D supplementation and glycemic control in type 2 diabetes patients: a systematic review and meta-analysis. Metabolism. 2017;73:67–76.
Article
CAS
Google Scholar
Hu Z, Chen J, Sun X, Wang L, Wang A. Efficacy of vitamin D supplementation on glycemic control in type 2 diabetes patients: a meta-analysis of interventional studies. Medicine. 2019;98(14): e14970.
Article
CAS
Google Scholar
Lee CJ, Iyer G, Liu Y, Kalyani RR, Bamba N, Ligon CB, et al. The effect of vitamin D supplementation on glucose metabolism in type 2 diabetes mellitus: a systematic review and meta-analysis of intervention studies. J Diabetes Complications. 2017;31(7):1115–26.
Article
CAS
Google Scholar
Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche PC, Ioannidis JP, et al. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. J Clin Epidemiol. 2009;62(10):e1-34.
Article
Google Scholar
Matthews D, Hosker J, Rudenski A, Naylor B, Treacher D, Turner RJD. Homeostasis model assessment: insulin resistance and β-cell function from fasting plasma glucose and insulin concentrations in man. Diabetologia. 1985;28(7):412–9.
Article
CAS
Google Scholar
Higgins JP, Altman DG, Gøtzsche PC, Jüni P, Moher D, Oxman AD, et al. The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials. BMJ (Clinical research ed). 2011;343: d5928.
Article
Google Scholar
Holick MF, Binkley NC, Bischoff-Ferrari HA, Gordon CM, Hanley DA, Heaney RP, et al. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab. 2011;96(7):1911–30.
Article
CAS
Google Scholar
Higgins JPT, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. BMJ (Clinical research ed). 2003;327(7414):557–60.
Article
Google Scholar
Punthakee Z, Bosch J, Dagenais G, Diaz R, Holman R, Probstfield J, Ramachandran A, Riddle M, Rydén LE, Zinman B, Afzal R, Yusuf S, Gerstein H. TIDE Trial Investigators. Design, history and results of the Thiazolidinedione Intervention with vitamin D Evaluation (TIDE) randomised controlled trial. Diabetologia. 2012;55(1):36–45.
Maggi S, Siviero P, Brocco E, Albertin M, Romanato G. Crepaldi GJAd. Vitamin D deficiency, serum leptin and osteoprotegerin levels in older diabetic patients: an input to new research avenues. 2014;51(3):461–9.
CAS
Google Scholar
Shahriari S, Eftekhari MH, Jeddi M. The effect of vitamin D supplementation in overweight or obese type 2 diabetic patients with vitamin D deficiency and dyslipidemia. Int J Nutr Sci. 2018;3(4):185–91.
Shaseb E, Tohidi M, Abbasinazari M, Khalili D, Talasaz AH, Omrani H, et al. The effect of a single dose of vitamin D on glycemic status and C-reactive protein levels in type 2 diabetic patients with ischemic heart disease: a randomized clinical trial. Acta Diabetol. 2016;53(4):575–82.
Article
CAS
Google Scholar
Farrokhian A, Raygan F, Bahmani F, Talari HR, Esfandiari R, Esmaillzadeh A, et al. Long-term vitamin D supplementation affects metabolic status in vitamin D-deficient type 2 diabetic patients with coronary artery disease. J Nutr. 2017;147(3):384–9.
Article
CAS
Google Scholar
Khan DM, Jamil A, Randhawa FA, Butt NF, Malik U. Efficacy of oral vitamin D on glycated haemoglobin (HbA1c) in type 2 diabetics having vitamin D deficiency - a randomized controlled trial. J Pak Med Assoc. 2018;68(5):694–7.
Google Scholar
Ghavamzadeh S, Mobasseri M, Mahdavi R. The effect of vitamin D supplementation on adiposity, blood glycated hemoglobin, serum leptin and tumor necrosis factor-α in Type 2 diabetic patients. Int J Prev Med. 2014;5(9):1091–8.
Google Scholar
Sadiya A, Ahmed SM, Carlsson M, Tesfa Y, George M, Ali SH, et al. Vitamin D supplementation in obese type 2 diabetes subjects in Ajman, UAE: a randomized controlled double-blinded clinical trial. Eur J Clin Nutr. 2015;69(6):707–11.
Article
CAS
Google Scholar
Dalan R, Liew H, Assam PN, Chan ES, Siddiqui FJ, Tan AW, et al. A randomised controlled trial evaluating the impact of targeted vitamin D supplementation on endothelial function in type 2 diabetes mellitus: The DIMENSION trial. Diab Vasc Dis Res. 2016;13(3):192–200.
Article
CAS
Google Scholar
Momeni A, Mirhosseini M, Kabiri M, Kheiri S. Effect of vitamin D on proteinuria in type 2 diabetic patients. J Nephropathol. 2017;6(1):10–4.
Article
Google Scholar
Omidian M, Djalali M, Javanbakht MH, Eshraghian MR, Abshirini M, Omidian P, et al. Effects of vitamin D supplementation on advanced glycation end products signaling pathway in T2DM patients: a randomized, placebo-controlled, double blind clinical trial. Diabetol Metab Syndr. 2019;11:86.
Article
Google Scholar
Rad EY, Attar MJH, Koohdani F, Saboor-Yaraghi AA, Eshraghian MR, Javanbakht MH, et al. Effect of vitamin D supplementation on thioredoxin binding protein 2 gene expression in patients with diabetes type 2. Curr Top Nutraceutical Res. 2015;13(1):55–9.
Google Scholar
Eftekhari MH, Akbarzadeh M, Dabbaghmanesh MH, Hasanzadeh J. Impact of treatment with oral calcitriol on glucose indices in type 2 diabetes mellitus patients. Asia Pac J Clin Nutr. 2011;20(4):521–6.
CAS
Google Scholar
Ryu O-H, Chung W, Lee S, Hong K-S, Choi M-G, Yoo HJ. The effect of high-dose vitamin D supplementation on insulin resistance and arterial stiffness in patients with type 2 diabetes. Korean J Intern Med. 2014;29(5):620–9.
Article
Google Scholar
Agarwal C, Marwah S, Kulshrestha B, Anubhuti. Effect of Vitamin D Replacement Therapy on Glycaemic Control in Type 2 Diabetic Mellitus Patients. J Clin Diagn Res. 2017;11(12):OC40-3.
Heshmat R, Tabatabaei-Malazy O, Abbaszadeh-Ahranjani S, Shahbazi S, Khooshehchin G, Bandarian F, et al. Effect of vitamin D on insulin resistance and anthropometric parameters in Type 2 diabetes; a randomized double-blind clinical trial. Daru. 2012;20(1):10.
Article
CAS
Google Scholar
Shaheen A, Khawer F, Ijaz S. A randomized control trial to determine the orally taken vitamin-D glycated hemoglobin among patients of T2DM. Indo Am J Pharm Scie. 2019;6(5):9308–14.
CAS
Google Scholar
Upreti V, Maitri V, Dhull P, Handa A, Prakash MS, Behl A. Effect of oral vitamin D supplementation on glycemic control in patients with type 2 diabetes mellitus with coexisting hypovitaminosis D: a parellel group placebo controlled randomized controlled pilot study. Diabetes & metabolic syndrome. 2018;12(4):509–12.
Article
Google Scholar
Dadrass A, Mohamadzadeh Salamat K, Hamidi K, Azizbeigi K. Anti-inflammatory effects of vitamin D and resistance training in men with type 2 diabetes mellitus and vitamin D deficiency: a randomized, double-blinded, placebo-controlled clinical trial. J Diabetes Metab Disord. 2019;18(2):323–31.
Article
Google Scholar
Baziar N, Jafarian K, Shadman Z, Qorbani M, KhoshniatNikoo M, Abd Mishani M. Effect of therapeutic dose of vitamin d on serum adiponectin and glycemia in vitamin d-insufficient or deficient type 2 diabetic patients. Iran Red Crescent Med J. 2014;16(9):e21458.
Article
Google Scholar
Nasri H, Behradmanesh S, Maghsoudi AR, Ahmadi A, Nasri P, Rafieian-Kopaei M. Efficacy of supplementary vitamin D on improvement of glycemic parameters in patients with type 2 diabetes mellitus; a randomized double blind clinical trial. J Renal Inj Prev. 2014;3(1):31–4.
CAS
Google Scholar
Breslavsky A, Frand J, Matas Z, Boaz M, Barnea Z, Shargorodsky M. Effect of high doses of vitamin D on arterial properties, adiponectin, leptin and glucose homeostasis in type 2 diabetic patients. Clinical nutrition (Edinburgh, Scotland). 2013;32(6):970–5.
Article
CAS
Google Scholar
El Hajj C, Walrand S, Helou M, Yammine K. Effect of vitamin D supplementation on inflammatory markers in non-obese lebanese patients with type 2 diabetes: a randomized controlled trial. Nutrients. 2020;12(7):2033.
Mirzavandi F, Babaie S, Rahimpour S, Razmpoosh E, Talenezhad N, Aghaei Zarch SM, et al. The effect of high dose of intramuscular vitamin D supplement injections on depression in patients with type 2 diabetes and vitamin D deficiency: a randomized controlled clinical trial. Obe Med. 17:100192.
Imanparast F, Javaheri J, Kamankesh F, Rafiei F, Salehi A, Mollaaliakbari Z, Rezaei F, Rahimi A, Abbasi E. The effects of chromium and vitamin D3 co-supplementation on insulin resistance and tumor necrosis factor-alpha in type 2 diabetes: a randomized placebo-controlled trial. Appl Physiol Nutr Metab. 2020;45(5):471–7.
Razzaghi R, Pourbagheri H, Momen-Heravi M, Bahmani F, Shadi J, Soleimani Z, et al. The effects of vitamin D supplementation on wound healing and metabolic status in patients with diabetic foot ulcer: a randomized, double-blind, placebo-controlled trial. J Diabetes Complications. 2017;31(4):766–72.
Article
Google Scholar
Parekh D, Sarathi V, Shivane VK, Bandgar TR, Menon PS, Shah NSJEP. Pilot study to evaluate the effect of short-term improvement in vitamin D status on glucose tolerance in patients with type 2 diabetes mellitus. Endocr Pract. 2010;16(4):600–8.
Article
Google Scholar
Al-Sofiani ME, Jammah A, Racz M, Khawaja RA, Hasanato R, El-Fawal HAN, et al. Effect of vitamin D supplementation on glucose control and inflammatory response in type II diabetes: a double blind, randomized clinical trial. Int J Endocrinol Metab. 2015;13(1):e22604.
Article
Google Scholar
Muley A, Iyer UJIJoPHR, Development. Impact of vitamin D supplementation on anthropometric, glycemic and lipemic profile in subjects with type 2 diabetes: a randomized control trial. 2019;10(9).
Kim JH, Lee JM, Chang SA. Effects of vitamin D supplement on arterial stiffness in patients with type 2 diabetes mellitus and vitamin D deficiency. Diabetologia. 2014;57(1):S526–7.
Google Scholar
Alzahrani MK. The effect of vitamin D3 supplementation on glycemic control in type 2 diabetic patients having suboptimal vitamin d level, in an open-label, randomized controlled trial. Endocrine Reviews. 2012;33(3).
Bhosle DS, Mubeen MF. Evaluation of Effect of Vitamin D Supplementation on Glycemic Control in Patients of Type 2 Diabetes Mellitus. J Diabetes Metab. 2018;9(806):2.
Kampmann U, Mosekilde L, Juhl C, Moller N, Christensen B, Rejnmark L, et al. Effects of 12 weeks high dose vitamin D3 treatment on insulin sensitivity, beta cell function, and metabolic markers in patients with type 2 diabetes and vitamin D insufficiency - a double-blind, randomized, placebo-controlled trial. Metabolism. 2014;63(9):1115–24.
Article
CAS
Google Scholar
Witham MD, Dove FJ, Dryburgh M, Sugden JA, Morris AD, Struthers AD. The effect of different doses of vitamin D(3) on markers of vascular health in patients with type 2 diabetes: a randomised controlled trial. Diabetologia. 2010;53(10):2112–9.
Article
CAS
Google Scholar
Barengolts E, Kouser A, Kukreja SC, Eisenberg Y, Ciubotaru I, Manickam B. High dose vitamin D supplementation for 12 months improves insulin sensitivity and glucose disposition indices in African American men with hypovitaminosis D and Dysglycemia: Results of the D-Vitamin Intervention in Veteran Administration (DIVA) randomize. Endocr Rev. 2014;35(3, S).
Sugden JA, Davies JI, Witham MD, Morris AD, Struthers AD. Vitamin D improves endothelial function in patients with Type 2 diabetes mellitus and low vitamin D levels. Diabet Med. 2008;25(3):320-5.
Jehle S, Lardi A, Felix B, Hulter HN, Stettler C, Krapf R. Effect of large doses of parenteral vitamin D on glycaemic control and calcium/phosphate metabolism in patients with stable type 2 diabetes mellitus: A randomised, placebo-controlled, prospective pilot study. Swiss Med Wkly. 2014;144:w13942.
Jorde R, Figenschau Y. Supplementation with cholecalciferol does not improve glycaemic control in diabetic subjects with normal serum 25-hydroxyvitamin D levels. Eur J Nutr. 2009;48(6):349-54.
Angellotti E, D'Alessio D, Dawson-Hughes B, Chu Y, Nelson J, Hu P, Cohen RM, Pittas AG. Effect of vitamin D supplementation on cardiovascular risk in type 2 diabetes. Clin Nutr. 2019;38(5):2449–53.
Soric MM, Renner ET, Smith SR. Effect of daily vitamin D supplementation on HbA1c in patients with uncontrolled type 2 diabetes mellitus: a pilot study. J Diabetes. 2012;4(1):104–5.
Article
CAS
Google Scholar
Lo MC, Abushamat L, Mramba LK. Effect of treating vitamin D deficiency in uncontrolled type 2 diabetes: a randomized, placebo-controlled study. Am J Ther. 2019;26(4):e441–51.
Article
Google Scholar
Anyanwu AC, Fasanmade OA, Coker HAB, Ohwovoriole AE. Vitamin D supplementation improves insulin resistance in type 2 diabetes subjects in Lagos Nigeria. Afr J Diabetes Med. 2017;25(1):14–7.
Google Scholar
Furusyo N, Koga T, Ai M, Otokozawa S, Kohzuma T, Ikezaki H, et al. Utility of glycated albumin for the diagnosis of diabetes mellitus in a Japanese population study: results from the Kyushu and Okinawa Population Study (KOPS). Diabetologia. 2011;54(12):3028–36.
Article
CAS
Google Scholar
Mittman N, Desiraju B, Fazil I, Kapupara H, Chattopadhyay J, Jani CM, et al. Serum fructosamine versus glycosylated hemoglobin as an index of glycemic control, hospitalization, and infection in diabetic hemodialysis patients. Kidney Int Suppl. 2010;117:S41–5.
Article
CAS
Google Scholar
Selvin E, Marinopoulos S, Berkenblit G, Rami T, Brancati FL, Powe NR, et al. Meta-analysis: glycosylated hemoglobin and cardiovascular disease in diabetes mellitus. Ann Intern Med. 2004;141(6):421–31.
Article
CAS
Google Scholar
Wang G, Li Y, Li L, Yu F, Cui L, Ba Y, et al. Association of the vitamin D binding protein polymorphisms with the risk of type 2 diabetes mellitus: a meta-analysis. BMJ Open. 2014;4(11): e005617.
Article
Google Scholar
Rajan S, Weishaar T, Keller B. Weight and skin colour as predictors of vitamin D status: results of an epidemiological investigation using nationally representative data. Public Health Nutr. 2017;20(10):1857–64.
Article
Google Scholar
Lips P. Worldwide status of vitamin D nutrition. J Steroid Biochem Mol Biol. 2010;121(1–2):297–300.
Article
CAS
Google Scholar
Mojiminiyi OA, Abdella NA. Effect of homeostasis model assessment computational method on the definition and associations of insulin resistance. Clin Chem Lab Med. 2010;48(11):1629–34.
Article
CAS
Google Scholar
Antuna-Puente B, Disse E, Rabasa-Lhoret R, Laville M, Capeau J, Bastard JP. How can we measure insulin sensitivity/resistance? Diabetes Metab. 2011;37(3):179–88.
Article
CAS
Google Scholar
Alebić M, Bulum T, Stojanović N, Duvnjak L. Definition of insulin resistance using the homeostasis model assessment (HOMA-IR) in IVF patients diagnosed with polycystic ovary syndrome (PCOS) according to the Rotterdam criteria. Endocrine. 2014;47(2):625–30.
Article
Google Scholar
Barchetta I, Del Ben M, Angelico F, Di Martino M, Fraioli A, La Torre G, Saulle R, Perri L, Morini S, Tiberti C, Bertoccini L, Cimini FA, Panimolle F, Catalano C, Baroni MG, Cavallo MG. No effects of oral vitamin D supplementation on non-alcoholic fatty liver disease in patients with type 2 diabetes: a randomized, double-blind, placebo-controlled trial. BMC Med. 2016;14:92.
Yousefi Rad E, Djalali M, Koohdani F, Saboor-Yaraghi AA, Eshraghian MR, Javanbakht MH, Saboori S, Zarei M, Hosseinzadeh-Attar MJ. The Effects of Vitamin D Supplementation on Glucose Control and Insulin Resistance in Patients with Diabetes Type 2: A Randomized Clinical Trial Study. Iran J Public Health. 2014;43(12):1651-6.
Almoushawah AA, Almansour M, Alshahrani F, Rahman SU, Al-Zahrani A. A 3-month oral vitamin D supplementation marginally improves diastolic blood pressure in Saudi patients with type 2 diabetes mellitus. Int J Clin Exp Med. 2014;7(12):5421-8.