title: [Serum theophylline steady-state levels: comparative study of 2 retard preparations].
mesh_terms: D000368:Aged; D000628:Aminophylline / Q000097:blood* / Q000627:therapeutic use; D001991:Bronchitis / Q000097:blood / Q000188:drug therapy*; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D007700:Kinetics; D008297:Male; D008875:Middle Aged; D013806:Theophylline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D003692:Delayed-Action Preparations; D000628:Aminophylline; D013806:Theophylline
vernacular_title: Theophyllin-Serumspiegel im Steady-state: Vergleichende Untersuchung zweier Retardpräparate.