3-Years results after Chevron osteotomies using a titanium and a magnesium compression screw. (June 2016) - Plaass, C.; von Falk, C.; Ettinger, S.; Belenko, L.; Koenneker, S.; Calderone, F.; Noll, Y.; Weizbauer, A.; Reifenrath, J.; Modrejewski, C.; Claassen, L.; Waizy, H.; et al.