HIRSCH, Carl; WAUGH, Theodore. The Introduction of Force Measurements Guiding Instrumental Correction of Scoliosis. Acta Orthopaedica, [S. l.], v. 39, n. 1-3, p. 136–144, 1968. DOI: 10.3109/17453676808989448. Disponível em: https://actaorthop.org/actao/article/view/30085. Acesso em: 17 may. 2026.