MAHAMMAD RAFI, V. .; ANDREW R, S. .; ASHOK VARDHAN, N. . Association of Vitamin D Levels in Chronic Obstructive Pulmonary Disease. Journal of Neonatal Surgery, Lahore, Pakistan, v. 14, n. 19S, p. 218–221, 2025. DOI: 10.63682/jns.v14i19S.4741. Disponível em: https://jneonatalsurg.com/index.php/jns/article/view/4741. Acesso em: 21 sep. 2025.