TY  - RPRT
TI  - Patient classification systems, Part 1: The third generation.
AU  - K Malloch
AU  - A Conovaloff
DO  - 10.1097/00005110-199907000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/10451660/
ID  - 10451660
ER  -