Bortoliero, André Luiz, Ana Maria Bonametti, Helena Kaminami Morimoto, Tiemi Matsuo, and Edna Maria Vissoci Reiche. 2006. “ Seroprevalence for Hepatitis E Virus (HEV) Infection Among Volunteer Blood Donors of the Regional Blood Bank of Londrina, State of Paraná , Brazil ”. Revista Do Instituto De Medicina Tropical De São Paulo 48 (2): 87-92. https://revistas.usp.br/rimtsp/article/view/30978.