title: A study of pulmonary functions and serum theophylline levels in bronchial asthma.
mesh_terms: D000328:Adult; D001249:Asthma / Q000097:blood / Q000188:drug therapy / Q000503:physiopathology*; D001785:Blood Gas Monitoring, Transcutaneous; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D011446:Prospective Studies; D012129:Respiratory Function Tests; D013806:Theophylline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D013806:Theophylline