title: beta-Endorphin-like immunoreactivity in plasma, pituitaries and hypothalamus of rats following treatment with opiates.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000097:blood / Q000378:metabolism*; D007031:Hypothalamus / Q000378:metabolism*; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D010902:Pituitary Gland / Q000378:metabolism*; D011863:Radioimmunoassay; D051381:Rats
chemical_list: D004723:Endorphins; D009294:Narcotics; D009270:Naloxone; D009020:Morphine