Harumdini, M., Supriyatno, B. and Sekartini, R. 2012. Efficacy of salbutamol-ipratropium bromide nebulization compared to salbutamol alone in children with mild to moderate asthma attacks. Paediatrica Indonesiana. 52, 4 (Aug. 2012), 200-8. DOI:https://doi.org/10.14238/pi52.4.2012.200-8.