Syed Naveed Tahir et al. 2021. EVALUATING THE LONG-TERM EFFECTS OF SMOKING CESSATION ON PULMONARY FUNCTION IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) PATIENTS. Journal of Population Therapeutics and Clinical Pharmacology. 28, 2 (Nov. 2021), 573–579. DOI:https://doi.org/10.53555/v9cr0r84.