REVALENCE OF BACKACHE AMONG SCHOOL GOING CHILDREN OF HYDERABAD SINDH. International Journal of Physiotherapy, [S. l.], v. 3, n. 1, p. 11–14, 2016. DOI: 10.15621/ijphy/2016/v3i1/88901. Disponível em: https://ijphy.com/index.php/journal/article/view/146. Acesso em: 23 apr. 2026.