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Authors
Aslam, Rabia
Sharif, Faiza
Baqar, Mujtaba
Nizami, Abdul-Sattar
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Article History
Received: 4 April 2022
Accepted: 24 November 2022
First Online: 20 December 2022
Declarations
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: Before starting the study, proper ethical approval/permission was obtained from the Bio-ethical Committee of Government College University Lahore, and the head of the department of chest wards and pulmonology departments of all the five public and private hospitals study.
: Not applicable.
: The authors declare no competing interests.
