title: Sustained release theophylline in nocturnal asthma.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002986:Clinical Trials as Topic / Q000379:methods; D006801:Humans; D012107:Research Design; D013806:Theophylline / Q000627:therapeutic use*
chemical_list: D013806:Theophylline