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Repeatability of oral fluid collection methods for THC measurement.
Houwing S, Smink BE, Legrand SA, Mathijssen RP, Verstraete AG, Brookhuis KA. Houwing S, et al. Among authors: mathijssen rp. Forensic Sci Int. 2012 Nov 30;223(1-3):266-72. doi: 10.1016/j.forsciint.2012.09.017. Epub 2012 Oct 24. Forensic Sci Int. 2012. PMID: 23103115
Random and systematic errors in case-control studies calculating the injury risk of driving under the influence of psychoactive substances.
Houwing S, Hagenzieker M, Mathijssen RP, Legrand SA, Verstraete AG, Hels T, Bernhoft IM, Simonsen KW, Lillsunde P, Favretto D, Ferrara SD, Caplinskiene M, Movig KL, Brookhuis KA. Houwing S, et al. Among authors: mathijssen rp. Accid Anal Prev. 2013 Mar;52:144-53. doi: 10.1016/j.aap.2012.12.034. Epub 2013 Jan 16. Accid Anal Prev. 2013. PMID: 23333321
Alcohol and drugs in seriously injured drivers in six European countries.
Legrand SA, Isalberti C, der Linden TV, Bernhoft IM, Hels T, Simonsen KW, Favretto D, Ferrara SD, Caplinskiene M, Minkuviene Z, Pauliukevicius A, Houwing S, Mathijssen R, Lillsunde P, Langel K, Blencowe T, Verstraete AG. Legrand SA, et al. Drug Test Anal. 2013 Mar;5(3):156-65. doi: 10.1002/dta.1393. Epub 2012 Aug 11. Drug Test Anal. 2013. PMID: 22887894