Preventing hospital admissions for asthma.
Weinberger
M
M
D018927:Anti-Asthmatic Agents / Q000008:administration & dosage*; D001249:Asthma / Q000517:prevention & control*; D016022:Case-Control Studies; D002648:Child; D004636:Emergency Service, Hospital; D006760:Hospitalization; D006801:Humans; D011320:Primary Health Care
D018927:Anti-Asthmatic Agents