title: Opioid peptides in the cerebrospinal fluid of psychiatric patients.
mesh_terms: D004723:Endorphins / Q000134:cerebrospinal fluid*; D005260:Female; D006801:Humans; D001523:Mental Disorders / Q000134:cerebrospinal fluid*; D011247:Pregnancy; D011618:Psychotic Disorders / Q000134:cerebrospinal fluid; D011644:Puerperal Disorders / Q000523:psychology
chemical_list: D004723:Endorphins