title: Specific binding for opiate-like drugs in the placenta.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D006224:Cricetinae; D005048:Etorphine / Q000378:metabolism; D005260:Female; D005865:Gestational Age; D006801:Humans; D066298:In Vitro Techniques; D007700:Kinetics; D009294:Narcotics / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects; D012756:Sheep; D013045:Species Specificity; D013347:Subcellular Fractions / Q000378:metabolism
chemical_list: D009294:Narcotics; D011957:Receptors, Opioid; D005048:Etorphine