TY  - BOOK
AU  - Douglas K. Rex
TI  - How I Approach Colonoscopy in Anatomically Difficult Colons
SN  - 00029270
PY  - 2020///
N1  - Serial; 7222764; 115; 2; https://doi.org/10.14309/ajg.0000000000000481; Document_7222764_87868.pdf
ER  -