[Assessment of inhalation technique and its influencing factors in asthma children].
Zhong
Han-rong
HR
Su
Jian
J
Yu
Xiao-juan
XJ
D000280:Administration, Inhalation; D000293:Adolescent; D001249:Asthma / Q000628:therapy*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D036503:Inhalation Spacers; D008297:Male; D036501:Metered Dose Inhalers; D009330:Nebulizers and Vaporizers / Q000592:standards; D013673:Technology Assessment, Biomedical; D016896:Treatment Outcome