Postsurgery paths and outcomes for hip fracture patients (POST-OP HIP PATHS): a population-based retrospective cohort study protocol oleh Chantal Backman, Peter Tanuseputro, Colleen Webber, Paul Beaule, Stephane Poitras, Steve Papp, Anne Harley, Soha Shah, Randa Berdusco, Véronique French-Merkley, Luke Turcotte, D I McIsaac