TY  - RPRT
TI  - Variable stiffness colonoscopes: do they offer a better examination?
AU  - Sukanya Subramanian
AU  - Douglas K Rex
PY  - 2003
DO  - 10.1097/00001574-200309000-00011
UR  - https://pubmed.ncbi.nlm.nih.gov/15703596/
ID  - 15703596
ER  -