title: Stereospecific uptake of narcotic analgesics by a subcellular fraction of the guinea-pig ileum. A preliminary communication.
mesh_terms: D000700:Analgesics; D000818:Animals; D003061:Codeine / Q000494:pharmacology; D003916:Dextromoramide / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D004091:Hydromorphone / Q000378:metabolism*; D007082:Ileum; D066298:In Vitro Techniques; D007408:Intestinal Absorption / Q000187:drug effects*; D007981:Levorphanol / Q000378:metabolism; D008297:Male; D008691:Methadone / Q000378:metabolism; D009020:Morphine / Q000494:pharmacology; D009130:Muscle, Smooth / Q000378:metabolism*; D009269:Nalorphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009294:Narcotics / Q000378:metabolism*; D013347:Subcellular Fractions / Q000378:metabolism; D014316:Tritium
chemical_list: D000700:Analgesics; D009294:Narcotics; D014316:Tritium; D007981:Levorphanol; D009270:Naloxone; D009020:Morphine; D003916:Dextromoramide; D004091:Hydromorphone; D009269:Nalorphine; D008691:Methadone; D003061:Codeine