1. Scientific Working Group for Forensic Toxicology (2013) Scientific Working Group for Forensic Toxicology (SWGTOX) standard practices for method validation in forensic toxicology. Journal of Analytical Toxicology, 37, 452–474. 2. González, O., Blanco, M.E., Iriarte, G., Bartolomé, L., Maguregui, M.I. and Alonso, R.M. (2014) Bioanalytical chromatographic method validation according to current regulations, with a special focus on the non-well defined parameters limit of quantification, robustness and matrix effect. Journal of Chromatography. A, 1353, 10–27. 3. Hartmann, C., Smeyers-Verbeke, J., Massart, D.L. and McDowall, R.D. (1998) Validation of bioanalytical chromatographic methods. Journal of Pharmaceutical and Biomedical Analysis, 17, 193–218. 4. Hubert, P., Nguyen-Huu, J.-J., Boulanger, B., Chapuzet, E., Cohen, N., Compagnon, P.-A., et al. (2007) Harmonization of strategies for the validation of quantitative analytical procedures. A SFSTP proposal--part III. Journal of Pharmaceutical and Biomedical Analysis, 45, 82–96. 5. Peters, F.T., Drummer, O.H. and Musshoff, F. (2007) Validation of new methods. Forensic Science International, 165, 216–224. 6. Peters, F.T. and Maurer, H.H. (2002) Bioanalytical method validation and its implications for forensic and clinical toxicology – A review. Accreditation and Quality Assurance, 7, 441–449. 7. Wille, S.M.R., Coucke, W., De Baere, T. and Peters, F.T. (2017) Update of Standard Practices for New Method Validation in Forensic Toxicology. Current Pharmaceutical Design, 23, 5442–5454. 8. Bioanalytical Method Validation: Guidance for Industry (2018) Food and Drug Administration, Silver Springs, USA. https://www.fda.gov/downloads/drugs/guidances/ucm070107.pdf. 9. Guideline on bioanalytical method validation (2011) European Medicines Agency, London, United Kingdom. https://www.ema.europa.eu/documents/scientific-guideline/guideline-bioanalytical-method-validation_en.pdf. 10. Standard Practices for Method Validation in Forensic Toxicology (Draft) (2018) AAFS Standards Board, Colorado Springs, USA. https://asb.aafs.org/wp-content/uploads/2018/09/036_Std_Ballot02.pdf. 11. General requirements for the competence of testing and calibration laboratories (2017) International Organization for Standardization, Geneva, Switzerland. https://www.iso.org/standard/66912.html 12. Gondim, C. de S., Coelho, O.A.M., Alvarenga, R.L., Junqueira, R.G. and de Souza, S.V.C. (2014) An appropriate and systematized procedure for validating qualitative methods: its application in the detection of sulfonamide residues in raw milk. Analytica Chimica Acta, 830, 11–22. 13. López, M.I., Callao, M.P. and Ruisánchez, I. (2015) A tutorial on the validation of qualitative methods: From the univariate to the multivariate approach. Analytica Chimica Acta, 891, 62–72. 14. Trullols, E., Ruisánchez, I., Rius, F.X. and Huguet, J. (2005) Validation of qualitative methods of analysis that use control samples. TrAC Trends in Analytical Chemistry, 24, 516–524. 15. Parikh, R., Mathai, A., Parikh, S., Chandra Sekhar, G. and Thomas, R. (2008) Understanding and using sensitivity, specificity and predictive values. Indian Journal of Ophthalmology, 56, 45–50. 16. Altman, D.G. and Bland, J.M. (1994) Diagnostic tests. 1: Sensitivity and specificity. BMJ : British Medical Journal, 308, 1552. 17. Côté, C., Desharnais, B., Morel, M.-A., Laquerre, J., Taillon, M.-P., Daigneault, G., et al. (2018) High Throughput Protein Precipitation: Screening and Quantification of 106 Drugs and their Metabolites using LC-MS/MS. 2017 Society of Forensic Toxicologists Meeting (SOFT) and 55th Annual Meeting of the International Association of Forensic Toxicologists (TIAFT). Boca Raton, USA. 18. Trullols, E., Ruisánchez, I. and Rius, F.X. (2004) Validation of qualitative analytical methods. TrAC Trends in Analytical Chemistry, 23, 137–145. 19. Yi, G.Y. (2017) Statistical Analysis with Measurement Error or Misclassification: Strategy, Method and Application. Springer-Verlag, New York, USA, 479 pages.