Holt, Stephen R., Jorge Ramos, Michael A. Harma, Felix Cabrera, Coeurlida Louis-Ashby, An Dinh, Jeanette M. Tetrault, and David A. Fiellin. "Prevalence of unhealthy substance use on teaching and hospitalist medical services: implications for education." The American journal on addictions / American Academy of Psychiatrists in Alcoholism and Addictions 21, no. 2 (2012): 111-9.