TY  - RPRT
TI  - Variations in surgery in Ontario.
AU  - H Stockwell
AU  - E Vayda
PY  - 1979
DO  - 10.1097/00005650-197904000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/431149/
ID  - 431149
ER  -