School performance and theophylline.
D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002652:Child Behavior / Q000187:drug effects*; D002986:Clinical Trials as Topic; D006801:Humans; D012574:Schools; D013223:Statistics as Topic; D013806:Theophylline / Q000009:adverse effects*
D013806:Theophylline