Seroprevalence of hepatatis B virus and hepatitis C virus in Monte Negro in the brazilian western Amazon region - El Khouri, Marcelo; Duarte, Leandro Savoy; Ribeiro, Rafael Bernadon; Silva, Luis Fernando Ferraz da; Camargo, Luís Marcelo Aranha; Santos, Vera Aparecida dos; Burattini, Marcelo Nascimento; Corbett, Carlos Eduardo Pereira (Clinics, 2005)