title: Differential appearance of opiate receptor subtypes in neonatal rat brain.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001667:Binding, Competitive; D001923:Brain Chemistry; D051381:Rats; D011957:Receptors, Opioid / Q000032:analysis*; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu
chemical_list: D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu