title: [beta-Endorphin in obstetrical analgesia (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000773:Anesthesia, Obstetrical / Q000379:methods*; D001784:Blood Gas Analysis; D004723:Endorphins; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D006801:Humans
chemical_list: D004723:Endorphins