AHMAD, H.; JABEEN, S. N.; RAHIM, A.; ZAMAN, M. An Insight into the Referal Letters received at Pulmonology unit of a Tertiary Care Hospital. Pakistan Journal of Chest Medicine, [S. l.], v. 22, n. 2, p. 65–69, 2016. Disponível em: https://pjcm.net/index.php/pjcm/article/view/391. Acesso em: 12 jan. 2026.