ARAƚJO, Luzia Vilma Pereira do Nascimento et al. PREVALENCE OF MUSCULOSKELETAL SYMPTOMS IN URBAN CLEANING AGENTS. International Archives of Medicine, [S.l.], v. 9, oct. 2016. ISSN 1755-7682. Available at: <http://imed.pub/ojs/index.php/iam/article/view/1886>. Date accessed: 19 june 2019.