TY  - RPRT
TI  - Position changes improve visibility during colonoscope withdrawal: a randomized, blinded, crossover trial.
AU  - James E East
AU  - Noriko Suzuki
AU  - Naila Arebi
AU  - Paul Bassett
AU  - Brian P Saunders
PY  - 2006
DO  - 10.1016/j.gie.2006.04.039
UR  - https://pubmed.ncbi.nlm.nih.gov/17141772/
ID  - 17141772
ER  -