Acceptability and usability of oral fluid HCV self-testing among health-facility users from Brazil: a cross-sectional study of 685 participants Hugo Perazzo; Cristiane Villela-Nogueira; Maria K. Gomes; Andre Daher; Cristiane Siqueira-do-Valle; Ketiuce Zukeram; Ana Cristina G. Ferreira; Karen Cristine Tonini; Elton Carlos de Almeida; Sandra W. Cardoso; Beatriz Grinsztejn; Valdilea G. Veloso;

Risk factors for neurosyphilis in HIV patients: A retrospective cohort study Beatriz Arns; Tarsila Vieceli; Eduardo Gomes; Mariana Horn Scherer; Luisa Nakashima; Maria Luisa Santos; Ronara Blos Hepp; Fernanda Greinert; Maria Helena Rigatto;

Dried blood spot as alternative specimen for molecular epidemiology studies among HCV/HIV coinfected patients Geane Flores; Barbara Vieira Lago; Amanda R Caetano; Jessica Silva; Vanessa Marques; Carlos Eduardo Brandão-Mello; Marcia Amendola-Pires; Jose Pilotto; Lia Lewis-Ximenez; Livia Melo Villar;