Improved 125I radioimmunoassay for cotinine.
D000818:Animals; D000906:Antibodies / Q000276:immunology; D003367:Cotinine / Q000032:analysis* / Q000276:immunology; D007106:Immune Sera / Q000276:immunology; D011760:Pyrrolidinones / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods; D012756:Sheep / Q000276:immunology
D000906:Antibodies; D007106:Immune Sera; D011760:Pyrrolidinones; D003367:Cotinine