Positivity to Cocaine and/or Benzoylecgonine in Confirmation Analyses for On-Road Tests in Spain Posted on February 3, 2022February 3, 2022 By Becky Carter Francisco Herrera-Gómez, Eduardo Gutiérrez-Abejón, Mercedes García-Mingo and F. Javier Álvarez Int. J. Environ. Res. Public Health; 18(10); 2021 Access article DREs / Traffic Safety Resource Prosecutors, Seized Drugs/Controlled Substances, Toxicology