“Combined inhaled anticholinergics and short-acting beta2-agonists for initial treatment of acute asthma in children”. 《Paediatric Respiratory Reviews》 14 (4): 234–5. December 2013. doi:10.1016/j.prrv.2013.08.002. PMID24070913.
“Combined inhaled anticholinergics and short-acting beta2-agonists for initial treatment of acute asthma in children”. 《Paediatric Respiratory Reviews》 14 (4): 234–5. December 2013. doi:10.1016/j.prrv.2013.08.002. PMID24070913.