title: Multiple molecular forms of stereospecific opiate binding.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D002850:Chromatography, Gel; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007525:Isoelectric Focusing; D051379:Mice; D008970:Molecular Weight; D009294:Narcotics / Q000378:metabolism*; D010455:Peptides; D011957:Receptors, Opioid / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013237:Stereoisomerism
chemical_list: D009294:Narcotics; D010455:Peptides; D011957:Receptors, Opioid; D012964:Sodium