1.
Mahmood K, naqvi IH, Ahmed G, Mahboob A, Baig N, Jumma M. SNUFFED TOBACCO MIGHTIER THAN SMOKED TOBACCO: FREQUENCY DETERMINATION OF UPPER AND LOWER RESPIRATORY TRACT DISEASES. Pak J Chest Med [Internet]. 2015Sep.19 [cited 2026Apr.20];21(2):54-60. Available from: https://pjcm.net/index.php/pjcm/article/view/323