TY  - RPRT
TI  - International variation in histologic grading is large and persistent feedback does not improve reproducibility.
AU  - Stewart F Cramer
PY  - 2004
DO  - 10.1097/00000478-200402000-00019
UR  - https://pubmed.ncbi.nlm.nih.gov/15043321/
ID  - 15043321
ER  -