Improving predictability of post‐operative knee joint line obliquity in high tibial osteotomy: A new radiographic parameter correcting for foot position. - Mertens, M.; van Beek, N.; Claes, T.; Vleugels, W. J.; Nys, Y.; Claes, S.; Bartholomeeusen, S. (Knee Surgery, Sports Traumatology, Arthroscopy, 2025)