1. Tuberculosis among health-care workers in low- and middle-income countries: a systematic review;Joshi;PLoS Med,2006
2. A multicenter evaluation of tuberculin skin test positivity and conversion among health care workers in Brazilian hospitals;Roth;Int J Tuberc Lung Dis,2005
3. Risk assessment on TB transmission in health center settings of Marikina and Paranaque cities, Philippines;Chen;J Natl Inst Public Health,2009
4. Health care workers and tuberculosis: the battle of a century;Fennelly;Int J Tuberc Lung Dis,1999
5. Tuberculin skin testing and the health care worker: lessons of the Prophit Survey;Sepkowitz;Int J Tuberc Lung Dis,1996