100
ALMOST HALF OF ALL DRIVERS WHO WERE KILLED IN CRASHES AND TESTED POSITIVE FOR DRUGS ALSO HAD Alcohol IN THEIR SYSTEM?
What is True
Johnston, L. D., O'Malley, P. M., Bachman, J. G., & Schulenberg, J. E. (2011). Monitoring the Future national survey results on drug use, 1975-2011. Volume I: Secondary school students (NIH Publication No. 10-7584). Bethesda, MD: National Institute on Drug Abuse, 734 pp