Dildar J, Munir H, Ullah A, Khan A, Aitazaz F, Ali M. FREQUENCY OF TYPE-II RESPIRATORY FAILURE IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE. Pak J Phsyiol [Internet]. 2024 Mar. 31 [cited 2024 Nov. 23];20(1):33-6. Available from: https://pjp.pps.org.pk/index.php/PJP/article/view/1627