Yanti, Fitri, Muhammad Ali, Ridwan Daulay, Wisman Dalimunthe, and Rini Daulay. “Decreased Peak Expiratory Flow in Pediatric Passive Smokers”. Paediatrica Indonesiana 51, no. 4 (August 30, 2011): 198-201. Accessed November 25, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/870.