Frequency of Musculoskeletal Pain Among Hospital Cleaning Workers in Tertiary Care Hospitals in Lahore. Journal of Pakistan Orthopaedic Association, [S. l.], v. 33, n. 01, p. 03–07, 2021. Disponível em: https://jpoa.org.pk/index.php/upload/article/view/492. Acesso em: 4 nov. 2025.