title: Some considerations as to the determination and significance of biologic half-life.
mesh_terms: D001711:Biotransformation; D006207:Half-Life; D007700:Kinetics; D008954:Models, Biological; D004364:Pharmaceutical Preparations / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism / Q000652:urine; D013995:Time
chemical_list: D004364:Pharmaceutical Preparations