title: Proceedings: Development of a radioimmunoassay for morphine having minimal cross-reactivity with codeine.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D002234:Carbodiimides / Q000276:immunology; D002850:Chromatography, Gel; D003061:Codeine / Q000276:immunology; D003429:Cross Reactions; D004048:Diethylamines / Q000276:immunology; D006241:Haptens; D003932:Heroin / Q000276:immunology; D009020:Morphine / Q000097:blood* / Q000276:immunology; D009269:Nalorphine / Q000276:immunology; D011817:Rabbits / Q000276:immunology; D011863:Radioimmunoassay / Q000379:methods*; D051381:Rats; D012756:Sheep / Q000276:immunology
chemical_list: D002234:Carbodiimides; D004048:Diethylamines; D006241:Haptens; D003932:Heroin; D009020:Morphine; D009269:Nalorphine; D003061:Codeine