Oberste, Anna D., Kathryn H. DeYoung, Helen Johnston, Stephanie Gravitz, Emily McCormick, and Arthur Davidson. 2016. “Denver County Clostridium Difficile Trends and Associated Risk Factors 2011-2013”. Online Journal of Public Health Informatics 8 (1). https://doi.org/10.5210/ojphi.v8i1.6566.