1. World Anti-Doping Agency 2004 Identification Criteria for Qualitative Assays Incorporating Chromatography and Mass Spectrometry http://www.wada-ama.org/rtecontent/document/criteria_1_2. pdf
2. World Anti-Doping Agency 2009 Minimum Required Performance Limits for Detection of Prohibited Substances http://www.wada -ama.org/rtecontent/document/MINIMUM_REQUIRED_PERFORMANCE_ LEVELS_TD_v1_0_January_2009.pdf
3. World Anti-Doping Agency 2009 The World Anti-Doping Code - International Standard for Laboratories http://www. wada-ama.org/rtecontent/document/International_Standard_for_ Laboratories_v6_0_January_2009.pdf
4. U.S. Department of Health and Human Services Food and Drug Administration 2003 Mass Spectrometry for Confirmation of the Identity of Animal Drug Residues http://www.fda.gov/cvm/Guidance/guide118.pdf#search=%22FDA%20mass%20spectrometry%20%22
5. Criteria in chromatography and mass spectrometry: A comparison between regulations in the field of residue and doping analysis;Van Eenoo;Chromatographia,2004