title: First-pass metabolism.
mesh_terms: D001682:Biological Availability; D004347:Drug Interactions; D006801:Humans; D007408:Intestinal Absorption; D008099:Liver / Q000378:metabolism; D008102:Liver Circulation; D004364:Pharmaceutical Preparations / Q000008:administration & dosage / Q000378:metabolism*; D014439:Tyramine / Q000494:pharmacology
chemical_list: D004364:Pharmaceutical Preparations; D014439:Tyramine