A controlled evaluation of oral theophylline in asthmatic children.
D001249:Asthma / Q000188:drug therapy*; D002214:Capsules; D002648:Child; D002986:Clinical Trials as Topic; D004357:Drug Synergism; D004837:Epinephrine / Q000627:therapeutic use; D005260:Female; D006140:Guaifenesin / Q000008:administration & dosage; D006801:Humans; D008297:Male; D010919:Placebos; D012996:Solutions; D013147:Spirometry; D013806:Theophylline / Q000008:administration & dosage / Q000097:blood / Q000627:therapeutic use*
D002214:Capsules; D010919:Placebos; D012996:Solutions; D006140:Guaifenesin; D013806:Theophylline; D004837:Epinephrine