title: Clinical utilization of serum theophylline concentrations in a university-affiliated hospital.
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000188:drug therapy; D005260:Female; D006785:Hospitals, University; D006801:Humans; D008297:Male; D008875:Middle Aged; D013806:Theophylline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D013806:Theophylline