- Marijuana researchers shackled by federal laws and regulationsSan Jose Mercury News
- Buzz kill: California police work to detect drugged driversreviewtimes.com
- California police scramble to detect drugged drivingStar Telegram
- TWhen Are You Too Stoned to Drive?themarshallproject.org
- KWill legal pot mean more stoned drivers?khn.org
- UCity Recruits UCSD to Develop Marijuana Sobriety Testucsdguardian.org
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