Muhammad Hanif1 , Naveed Ahmed Brohi2 , Safdar Ali Jamali3 , Muhammad Azhar4 , Mir Tahir Hussain Talpur5 , Mukhtyar Ahmed Abro6 2022. PULMONARY HYPERTENSION IN PATIENTS WITH IDIOPATHIC PULMONARY FIBROSIS BY USING ECHO CARDIOGRAPHY. Journal of Peoples University of Medical & Health Sciences Nawabshah. (JPUMHS). 12, 4 (Dec. 2022), 21–26.