title: Decline of plasma concentrations of etretinate and its main metabolite after treatment.
mesh_terms: D001682:Biological Availability; D005050:Etretinate / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007700:Kinetics; D008297:Male; D011565:Psoriasis / Q000188:drug therapy*; D013997:Time Factors; D014212:Tretinoin / Q000031:analogs & derivatives*
chemical_list: D014212:Tretinoin; D005050:Etretinate