Patient-specific high-tibial osteotomy's 'cutting-guides' decrease operating time and the number of fluoroscopic images taken after a Brief Learning Curve. - Jacquet, Christophe; Sharma, Akash; Fabre, Maxime; Ehlinger, Matthieu; Argenson, Jean-Noël; Parratte, Sebastien; Ollivier, Matthieu (Knee Surgery, Sports Traumatology, Arthroscopy, 2020)