Sayer, G., Ialomiteanu, A., Stoduto, G., Wickens, C. M., Mann, R. E., Le Foll, B., & Brands, B. (2014). Increased collision risk among drivers who report driving after using alcohol and after using cannabis. Can J Public Health.

Sayer, Gillian, Anca Ialomiteanu, Gina Stoduto, Christine M. Wickens, Robert E. Mann, Bernard Le Foll, och Bruna Brands. "Increased Collision Risk Among Drivers Who Report Driving After Using Alcohol and After Using Cannabis." Can J Public Health 2014.

Sayer, Gillian, et al. "Increased Collision Risk Among Drivers Who Report Driving After Using Alcohol and After Using Cannabis." Can J Public Health 2014.