title: Effects of morphine pellet implantation in neonatal rats.
mesh_terms: D000698:Analgesia; D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D001835:Body Weight / Q000187:drug effects; D003345:Corticosterone / Q000097:blood; D004343:Drug Implants; D004361:Drug Tolerance; D005260:Female; D005298:Fertility / Q000187:drug effects; D008098:Litter Size / Q000187:drug effects; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D010913:Pituitary-Adrenal System / Q000187:drug effects; D011247:Pregnancy; D051381:Rats
chemical_list: D004343:Drug Implants; D009020:Morphine; D003345:Corticosterone