TY  - RPRT
TI  - Predicting difficulty--clinical indices and their statistical equivalents.
AU  - N Jayousi
AU  - P Charters
PY  - 1997
DO  - 10.1093/bja/78.3.338
UR  - https://pubmed.ncbi.nlm.nih.gov/9135322/
ID  - 9135322
ER  -