title: Elevated beta-endorphin immunoreactivity in umbilical cord blood after complicated delivery.
mesh_terms: D001946:Breech Presentation; D004723:Endorphins / Q000097:blood*; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D007744:Obstetric Labor Complications / Q000097:blood*; D011247:Pregnancy; D014620:Vacuum Extraction, Obstetrical; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D001615:beta-Endorphin