PANT, P.; THAPA, S.; DAS, S. K.; BAM, N. Serum Vitamin D Level in Chronic Obstructive Pulmonary Disease and its Relation with Severity: A Single Centre Study. Journal of Institute of Medicine Nepal, [S. l.], v. 41, n. 2, p. 56–58, 2019. Disponível em: https://nepjol.info/index.php/JIOM/article/view/26552. Acesso em: 1 may. 2024.