1. Characteristics of clinical trials registered in ClinicalTrials.gov, 2007-2010;Califf;Journal of the American Medical Association,2012
2. Understanding the functions and operations of data monitoring committees: survey and focus group findings;Calis;Clinical Trials,2017
3. Issues in regulatory guidelines for data monitoring committees
4. Department of Veterans Affairs Clinical Sciences Research and Development 2015 Data Monitoring Committee Guidance www.research.va.gov/services/csrd/DMC-Guidelines.pdf
5. Department of Veterans Affairs Cooperative Studies Program 2013 Guidelines for the Planning and Conduct of VA Cooperative Studies www.research.va.gov/programs/csp/update/guide.pdf