TY  - RPRT
TI  - Biopsy through the flexible operating gastroscope.
AU  - P L SHALLENBERGER
AU  - C H DeWAN
AU  - C B WEED
AU  - J C REGANIS
PY  - 1950
UR  - https://pubmed.ncbi.nlm.nih.gov/14778465/
ID  - 14778465
ER  -