Hepatitis B (HBV), hepatitis C (HCV) and hepatitis delta (HDV) viruses in the Colombian population: how is ths epidemiologica situation - Mora, Mónica Viviana Alvarado; Fernandez, María Fernanda Gutierrez; Gouvêa, Michele Soares Gomes; Azevedo Neto, Raymundo Soares de; Carrilho, Flair José; Pinto, João Renato Rebello (PLOS ONE, 2011)