Exposure to maltreatment and urban violence in children working on the streets in São Paulo, Brazil: factors associated with street work - Mello, Andrea de Abreu Feijó de; Maciel, Mariana Rangel; Fossaluza, Victor; Paula, Cristiane Silvestre de; Grassi-Oliveira, Rodrigo; Cavalcante Nobrega, Luciana Porto; Cividanes, Giuliana Cláudia; Soussumi, Yusaku; Perissinotti, Dirce Maria Navas; Bordin, Isabel Altenfelder Santos; Mello, Marcelo Feijó; Mari, Jair de Jesus (Revista Brasileira de Psiquiatria, 2014)