TY - JOUR AU - Khan, S K; Kalra, S; Khanna, A; Thiruvengada, M M; Parker, M J TI - Timing of surgery for hip fractures: a systematic review of 52 published studies involving 291,413 patients JO - Injury IS - 07 VL - 40 PY - 2009 DO - 10.1016/j.injury.2009.01.010 L3 - PubMed-ID: 19450802 SP - 692 EP - 697 ER -