TY  - RPRT
TI  - Masks in surgery.
AU  - N W Orr
AU  - S Bailey
PY  - 1992
DO  - 10.1016/0195-6701(92)90064-s
UR  - https://pubmed.ncbi.nlm.nih.gov/1348075/
ID  - 1348075
ER  -