D Oliver, M Britton, P Seed, F C Martin, A H Hopper
Oliver D, Britton M, Seed P, Martin F C, Hopper A H.
Development and evaluation of evidence based risk assessment tool (STRATIFY) to predict which elderly inpatients will fall: case-control and cohort studies
BMJ 1997; 315 :1049
doi:10.1136/bmj.315.7115.1049