TY  - RPRT
TI  - Disease staging classification system.
AU  - J S Gonnella
AU  - D Z Louis
PY  - 1987
DO  - 10.1097/00005650-198704000-00009
UR  - https://pubmed.ncbi.nlm.nih.gov/3121948/
ID  - 3121948
ER  -