MIRJADA, Md Rashed; HASSAN, Md Habib; KHAN, Md Naoshad; ULLAH, Enshad Ekram; BARUA, Anupam; CHOWDHURY, Tanzila Tabib; HASAN, Kazi Md Abrar. Association of Vitamin D Level and Forced Expiratory Volume in First Second in COPD Patients. Journal of Chittagong Medical College Teachers’ Association, [S. l.], v. 30, n. 2, p. 22–25, 2020. DOI: 10.3329/jcmcta.v30i2.62579. Disponível em: https://banglajol.info/index.php/JCMCTA/article/view/62579. Acesso em: 26 sep. 2025.