Guides No. 20 - Biomarker Studies - Requirements for the Certification of Analytical Reference Standards July 2021 - second edition Ref. BMK-307-CTG-20
Guides No. 29 - Best Practice in the Application of Biomarkers of Exposure as Compliance Measures in Long-Term and Epidemiological Studies of New Nicotine and Tobacco Products April 2024 Ref. BMK-362-CTG-29