title: Theophylline once-a-day dosage.
mesh_terms: D000328:Adult; D000368:Aged; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D013806:Theophylline / Q000008:administration & dosage*
chemical_list: D013806:Theophylline