Hoefnagels, Eva M, Matthew D Waites, Stephen M Belkoff, and Bart A Swierstra. 2007. “Percutaneous Achilles Tendon Lengthening: A Cadaver-Based Study of Failure of the Triple Hemisection Technique”. Acta Orthopaedica 78 (6):808-12. https://doi.org/10.1080/17453670710014590.