TY  - RPRT
TI  - Morbidity during hospitalization: can we predict it?
AU  - M E Charlson
AU  - F L Sax
AU  - C R MacKenzie
AU  - R L Braham
AU  - S D Fields
AU  - R G Douglas
PY  - 1987
DO  - 10.1016/0021-9681(87)90107-x
UR  - https://pubmed.ncbi.nlm.nih.gov/3110198/
ID  - 3110198
ER  -