Thiocyanate vs cotinine as a marker to identify smokers.
D003367:Cotinine / Q000032:analysis*; D006207:Half-Life; D006801:Humans; D011760:Pyrrolidinones / Q000032:analysis*; D012463:Saliva / Q000032:analysis; D012907:Smoking; D013861:Thiocyanates / Q000032:analysis*
D011760:Pyrrolidinones; D013861:Thiocyanates; D003367:Cotinine; C031760:thiocyanate