Ciorlia, Luiz Alberto de Souza, and Dirce Maria Trevisan Zanetta. “ Hepatitis C in Health Care Professionals: Prevalence and Association With Risk Factors ”. Revista De Saúde Pública, vol. 41, no. 2, Apr. 2007, pp. 229-35, https://doi.org/10.1590/S0034-89102007000200009.