title: Amitriptyline and its demethylation-rate.
mesh_terms: D000328:Adult; D000368:Aged; D000639:Amitriptyline / Q000008:administration & dosage / Q000097:blood*; D003863:Depression / Q000097:blood / Q000188:drug therapy; D006801:Humans; D008875:Middle Aged; D009661:Nortriptyline / Q000097:blood
chemical_list: D000639:Amitriptyline; D009661:Nortriptyline