title: The 24 hour pattern of plasma melatonin in depressed patients before and after treatment.
mesh_terms: D000328:Adult; D000639:Amitriptyline / Q000627:therapeutic use; D003863:Depression / Q000097:blood* / Q000188:drug therapy; D005260:Female; D006801:Humans; D008550:Melatonin / Q000097:blood*; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales; D013997:Time Factors
chemical_list: D000639:Amitriptyline; D008550:Melatonin