Razzaque, Md. Abdur, Iftekhar Hussain Bandhan, Rijwan Bhuiyan, Mohammad Ziaul Haider, Mirza Nurul Karim, and Minhaj Rahim Choudhury. “Vitamin D Level Among Patients With Unexplained Musculoskeletal Symptoms”. Bangabandhu Sheikh Mujib Medical University Journal 16, no. 4 (December 7, 2023). Accessed June 30, 2024. https://banglajol.info/index.php/BSMMUJ/article/view/70186.