Cabezas, César, et al. “Risk Factors Associated to Acute Hepatitis B Infection in Peruvian Military Personnel Deployed in Amazonas, Perú”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 24, no. 4, Dec. 2007, https://doi.org/10.17843/rpmesp.2007.244.1136.