Prevalence of Vitamin D level deficiency among patients with non-specific musculoskeletal pain at a tertiary care hospital in Khyber Pakhtunkhwa. Journal of Pakistan Orthopaedic Association, [S. l.], v. 31, n. 02, p. 57–60, 2019. Disponível em: https://mail.jpoa.org.pk/index.php/upload/article/view/312. Acesso em: 16 apr. 2026.