P. M., R.; M., S. A clinical study on non-resolving pneumonia in tertiary care centre. International Journal of Advances in Medicine, [S. l.], v. 5, n. 3, p. 604–607, 2018. DOI: 10.18203/2349-3933.ijam20182110. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/1177. Acesso em: 30 may. 2026.