title: Effect of morphine and naloxone on leu-enkephalin-like immunoreactivity in dogs.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer; D003429:Cross Reactions; D004285:Dogs; D004743:Enkephalin, Leucine; D004745:Enkephalins / Q000097:blood / Q000276:immunology; D005263:Femoral Artery; D006503:Hepatic Veins; D007601:Jugular Veins; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D011169:Portal Vein; D011863:Radioimmunoassay
chemical_list: D004745:Enkephalins; D009270:Naloxone; D004743:Enkephalin, Leucine; D009020:Morphine