TY  - RPRT
TI  - Therapeutic endoscopy.
AU  - K H Soergel
AU  - W J Hogan
PY  - 1983
DO  - 10.1080/21548331.1983.11702540
UR  - https://pubmed.ncbi.nlm.nih.gov/6404809/
ID  - 6404809
ER  -