TY  - RPRT
TI  - A self-retaining retractor for transmaxillary surgery.
AU  - A Berkstein
AU  - N Baran
PY  - 1970
DO  - 10.1017/s0022215100072765
UR  - https://pubmed.ncbi.nlm.nih.gov/5471903/
ID  - 5471903
ER  -