SRIVASTAVA, B; BASNYAT, Ramesh B. Update on Chronic Obstructive Pulmonary Disease. Medical Journal of Shree Birendra Hospital, [S. l.], v. 6, p. 81–87, 2003. Disponível em: https://nepjol.info/index.php/MJSBH/article/view/21309. Acesso em: 6 dec. 2025.