Smoking break rules, including time frames and locations
For more information, contact Kelly Song, Assistant Manager/Brand Management Dept, KT&G Corporation, Global Business Headquarters, 17th Floor Kosmo Tower 1002, Daechi-dong, Gangnam-gu, Seoul 135-280, South Korea, tel: +822 3404 4825, or e-mail: [email protected]
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When the cannabis user group is stratified according to the corresponding usage biomarkers, 11-OHP4 proves to be a biomarker of general exposure, whereas 5-DHP4 displays a dose-dependent relationship
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