Prevalence of musculoskeletal disorders caused by carryingbackpacks among primary school pupils in Ondo City, Nigeria. Undergraduate Research in Health Journal, [S. l.], v. 3, n. 1, p. e2236 , 2025. DOI: 10.1796/. Disponível em: https://samajournals.co.za/index.php/urhj/article/view/2236. Acesso em: 7 oct. 2025.