title: Bioavailability and pharmacokinetics of theophylline following plain uncoated and sustained-release dosage forms in relation to smoking habit. II. Multiple dose study.
mesh_terms: D000328:Adult; D001682:Biological Availability; D003692:Delayed-Action Preparations; D006801:Humans; D007700:Kinetics; D012907:Smoking; D013607:Tablets; D013806:Theophylline / Q000008:administration & dosage / Q000009:adverse effects / Q000378:metabolism*
chemical_list: D003692:Delayed-Action Preparations; D013607:Tablets; D013806:Theophylline