“The Impact about Water Channel (Negril) Smoking on the Pulmonary Function Test in Comparison to Cigarette Smoking in Adult Men”., JUBPAS, vol. 26, no. 9, pp. 298–309, Dec. 2018, Accessed: May 04, 2025. [Online]. Available: https://www.journalofbabylon.com/index.php/JUBPAS/article/view/3969