title: Human beta-endorphin-like immunoreactivity in the perinatal/neonatal period.
mesh_terms: D000328:Adult; D004723:Endorphins / Q000097:blood*; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008297:Male; D011247:Pregnancy; D011863:Radioimmunoassay; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D001615:beta-Endorphin