%0 Journal Article %A P A Crooks %A M Li %A L P Dwoskin %T Determination of nicotine metabolites in rat brain after peripheral radiolabeled nicotine administration: detection of nornicotine. %D 1995 %J Drug Metabolism and Disposition %P 1175-1177 %V 23 %N 10 %U https://dmd.aspetjournals.org/content/dmd/23/10/1175.full.pdf