TY  - RPRT
TI  - [A device for passing flexible endoscopic instruments through a rectoscope].
AU  - L U Nazarov
AU  - A G Davtian
AU  - G A Kazarian
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2724828/
ID  - 2724828
ER  -