HASSAAN, M.; AJMAL, M.; BUTT, N. I.; AFTAB, S.; ASHFAQ, F.; TAREEN, M. Q. FREQUENCY OF PULMONARY HYPERTENSION USING ECHOCARDIOGRAPHY IN PATIENTS OF IDIOPATHIC PULMONARY FIBROSIS AT A TERTIARY CARE HOSPITAL. Journal of Postgraduate Medical Institute, [S. l.], v. 36, n. 2, p. 121–4, 2022. DOI: 10.54079/jpmi.36.2.2980. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/2980. Acesso em: 19 aug. 2022.