title: A comparison of the plasma profiles of two slow release theophylline preparations in asthmatic patients and healthy volunteers.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001249:Asthma / Q000097:blood* / Q000188:drug therapy; D001682:Biological Availability; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D013806:Theophylline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline