TY  - RPRT
TI  - Can you depend on your patient classification system?
AU  - D L Hlusko
AU  - B S Nichols
PY  - 1996
DO  - 10.1097/00005110-199604000-00012
UR  - https://pubmed.ncbi.nlm.nih.gov/8774471/
ID  - 8774471
ER  -