Asthma: ibuterol versus terbutaline inhalation.
D000336:Aerosols; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D013726:Terbutaline / Q000008:administration & dosage* / Q000031:analogs & derivatives*
D000336:Aerosols; C011287:ibuterol; D013726:Terbutaline