Factors associated with maintaining reduction following locking plate fixation of proximal humerus fractures: a population-based retrospective cohort study oleh Martin Bouliane, MD, FRCSC, Anelise Silveira, PT, MRSc, AlJarrah AlEidan, MD, Luke Heinrichs, MD, Sung Hyun Kang, MSc, David M. Sheps, MD, MSc, MBA, FRCSC, Lauren Beaupre, PT, PhD