1. Damocles Study Group. Issues in data monitoring and interim analyses of trials;Grant;Health Technol. Assess.,2005
2. National Institutes of Health Policy for Data and Safety Monitoring 2009 http://www.grants.nih.gov/grants/guide/notice-files/not98-084.html
3. World Health Organisation Operational Guidelines for the Establishment and Functioning of Data and Safety Monitoring Boards 2009 http://apps.who.int/tdr/svc/publications/tdr-research-publications/operational-guidelines
4. European Medicines Agency, Committee for Medicinal Products for Human Use Guideline on Data Monitoring Committees 2009 http://www.emea.europa.eu/pdfs/human/ewp/587203en.pdf
5. FDA Guidance for clinical trial sponsors: On the establishment and operation of clinical trial data monitoring committees 2009 http://www.fda.gov/downloads/RegulatoryInformation/Guidances/UMC127073.pdf