@inproceedings{inproceedingsacebe4c3, title = {Detection of benzoylecgonine in hair of cocaine users using fluorescence polarization immunoassay}, author = {Toledo, Fernanda Crossi Pereira and Silva, Ovandir Alves and Leyton, Vilma}, year = {1999}, publisher = {Society of Hair Testing}, booktitle = {European Meeting on Hair Analysis} }