Relationship of Serum 25-Hydroxyvitamin D [25(OH)D] Concentration With Diabetic Patients Attending BIRDEM Hospital, Dhaka. J. Dhaka Natl. Med. Coll. Hosp. 2018, 24 (1), 23-28. https://doi.org/10.3329/jdnmch.v24i1.80040.