Effect of in utero administration of morphine on the subsequent development of self-administration behavior.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D005260:Female; D008431:Maternal-Fetal Exchange; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D011247:Pregnancy; D051381:Rats; D012646:Self Administration
D009020:Morphine