TY  - RPRT
TI  - Mechanical disease indexing: a fast and efficient system.
AU  - J P MORRIS
AU  - S MCKINNEY
PY  - 1959
DO  - 10.1001/jama.1959.73010190027025
UR  - https://pubmed.ncbi.nlm.nih.gov/14424335/
ID  - 14424335
ER  -