Bernard Laumon, Blandine Gadegbeku, Jean-Louis Martin, Marie-Berthe Biecheler
Laumon B, Gadegbeku B, Martin J, Biecheler M.
Cannabis intoxication and fatal road crashes in France: population based case-control study
BMJ 2005; 331 :1371
doi:10.1136/bmj.38648.617986.1F