TY  - RPRT
TI  - Naturally occurring fibromas of grey squirrels related to Shope's rabbit fibroma
AU  - L. Kilham
AU  - C. M. Herman
AU  - E.R. Fisher
PY  - 1953
UR  - https://pubs.usgs.gov/publication/5220543
ID  - 5220543
ER  -