TY  - RPRT
TI  - A malleable endoscopic suction instrument: technical note.
AU  - E H Frank
AU  - B R Ragel
PY  - 1998
DO  - 10.1055/s-2008-1052021
UR  - https://pubmed.ncbi.nlm.nih.gov/9651915/
ID  - 9651915
ER  -