TY  - RPRT
TI  - Automatic retractor holder: new self-retaining retractor.
AU  - M M Warren
PY  - 1981
DO  - 10.1016/0090-4295(81)90271-5
UR  - https://pubmed.ncbi.nlm.nih.gov/7222333/
ID  - 7222333
ER  -