Distribution of HBV subgenotypes in Ribeirão Preto, Southeastern Brazil: a region with history of intense Italian immigration - Chachá, Silvana Gama Florencio; Gouvêa, Michele Soares Gomes; Malta, Fernanda de Mello; Ferreira, Sandro da Costa; Villanova, Márcia Guimarães; Souza, Fernanda Fernandes; Teixeira, Andreza Correa; Passos, Afonso Dinis Costa; Pinho, João Renato Rebello; Martinelli, Ana de Lourdes Candolo (The Brazilian Journal of Infectious Diseases, 2017)