beta-Endorphin in brain.
D000818:Animals; D001921:Brain / Q000502:physiology*; D001923:Brain Chemistry; D004723:Endorphins / Q000032:analysis / Q000502:physiology*; D005455:Fluorescent Antibody Technique; D010902:Pituitary Gland / Q000502:physiology; D051381:Rats; D001615:beta-Endorphin
D004723:Endorphins; D001615:beta-Endorphin