J J W Roche, R T Wenn, O Sahota, C G Moran
Roche J J W, Wenn R T, Sahota O, Moran C G.
Effect of comorbidities and postoperative complications on mortality after hip fracture in elderly people: prospective observational cohort study
BMJ 2005; :bmj;bmj.38643.663843.55v1
doi:10.1136/bmj.38643.663843.55