TY  - RPRT
TI  - Study to predict which elderly patients will fall shows difficulties in deriving and validating a model.
AU  - D G Altman
PY  - 1997
DO  - 10.1136/bmj.315.7118.1309
UR  - https://pubmed.ncbi.nlm.nih.gov/9390074/
ID  - 9390074
ER  -