Development of opiate receptor binding in rat spinal cord.
D000375:Aging; D000818:Animals; D001921:Brain / Q000378:metabolism; D004174:Diprenorphine / Q000378:metabolism; D005260:Female; D005865:Gestational Age; D011247:Pregnancy; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*; D013116:Spinal Cord / Q000378:metabolism*
D011957:Receptors, Opioid; D004174:Diprenorphine