ÖSTGAARD, Hans Christian; HELGER, Liljane; REGNÉR, Hans; GARELLICK, Göran. Femoral alignment of the Charnley stem: A randomized trial comparing the original with the new instrumentation in 123 hips. Acta Orthopaedica, [S. l.], v. 72, n. 3, p. 228–232, 2001. DOI: 10.1080/00016470152846529. Disponível em: https://actaorthop.org/actao/article/view/20052. Acesso em: 28 may. 2026.