Drivers who tested positive for cannabis in oral fluid: a longitudinal analysis of administrative data for Spain between 2011 and 2016

Herrera-Gómez F, García-Mingo M, Colás M, González-Luque JC, Álvarez FJ (2019). Drivers who tested positive for cannabis in oral fluid: a longitudinal analysis of administrative data for Spain between 2011 and 2016BMJ Open 9(8), e026648. Enlace