UBAID ULLAH SAMI, SAEED UR REHMAN, ADNAN GHAFOOR, ZAYED NASER, SALEH AHMAD, HAFEEZ UD DIN. Serum Vitamin D Level in Chronic Obstructive Pulmonary Disease and its Relation with Severity. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 09, p. 941, 2022. DOI: 10.53350/pjmhs22169941. Disponível em: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3030. Acesso em: 28 sep. 2024.