TY  - RPRT
TI  - Maintaining a clear view in laparoscopic surgery.
AU  - J M Sackier
AU  - G Berci
PY  - 1994
DO  - 10.1007/bf00593454
UR  - https://pubmed.ncbi.nlm.nih.gov/7974119/
ID  - 7974119
ER  -