Poor bronchodilator effect of oral etamiphylline in asthmatic children.
D000284:Administration, Oral; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005069:Evaluation Studies as Topic; D006801:Humans; D011897:Random Allocation; D013806:Theophylline / Q000031:analogs & derivatives* / Q000627:therapeutic use
D001993:Bronchodilator Agents; C007635:etamiphylline; D013806:Theophylline