TY  - RPRT
TI  - Advances in endoscopy.
AU  - G BERCI
PY  - 1962
DO  - 10.5694/j.1326-5377.1962.tb20673.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13967616/
ID  - 13967616
ER  -