Abdullah Dayo1 , ShamimUddin Siddiqi2 , Lal Shehbaz3 , Shua Shehbaz4 , Muhammad Asim Shaikh5 , Abdul Samee Jatoi6. 2021. “ASSOCIATION OF ARTERIAL HYPERCAPNIA IN ACUTE HEART FAILURE PATIENT WITH EARLY NEED OF INTUBATION IN EMERGENCY DEPARTMENTA COHORT STUDY CONDUCTED AT TERTIARY CARE SETUP IN PAKISTAN”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS) 11 (3):39-44. http://publication.pumhs.edu.pk/index.php/ojs/article/view/539.