Advancement of Periosteal and Capsular Complexes With or Without Augmentation Using a Free Graft From Lower Extensor Retinaculum: A Comparative Study With Propensity Score Matching oleh Kazuya Sugimoto MD, PhD, Shinji Isomoto MD, PhD, Kimio Miura MD, PhD, Yoshinobu Hyakuda MD, Yuichi Ota MD, Akira Taniguchi MD, PhD, Yasuhito Tanaka MD, PhD