Drupal-Bibcite0<style face="normal" font="default" size="100%">The effect of a multidisciplinary co-management program for the older hip fracture patients in Beijing: a “pre- and post-” retrospective study</style><style face="normal" font="default" size="100%">The effect of a multidisciplinary co-management program for the older hip fracture patients in Beijing: a “pre- and post-” retrospective study</style>