Hassaan, Muhammad, Maliha Ajmal, Nauman Ismat Butt, Sabeen Aftab, Fahmina Ashfaq, and Muhammad Qasim Tareen. “FREQUENCY OF PULMONARY HYPERTENSION USING ECHOCARDIOGRAPHY IN PATIENTS OF IDIOPATHIC PULMONARY FIBROSIS AT A TERTIARY CARE HOSPITAL”. Journal of Postgraduate Medical Institute 36, no. 2 (June 30, 2022): 121–4. Accessed March 28, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/2980.