Access to viral hepatitis care: distribution of health services in the Northern region of Brazil - Almeida, Elton Carlos de; Gleriano, Josué Souza; Pinto, Flavia Kelli Alvarenga; Coelho, Ronaldo de Almeida; Vivaldini, Simone Monzani; Gomes, José Nilton Neris; Santos, Alexandre Fonseca; Sereno, Leandro Soares; Pereira, Gerson Fernando Mendes; Henriques, Sílvia Helena; Chaves, Lucieli Dias Pedreschi (Revista Brasileira de Epidemiologia, 2019)