TY  - GEN
AU  - Park,Kyung Sik
TI  - Introduction to Starting Upper Gastrointestinal Endoscopy: Proper Insertion, Complete Observation, and Appropriate Photographing
SN  - 2234-2400
PY  - 2015///0804
N1  - Publication Type: Journal Article; Review
UR  - https://doi.org/10.5946/ce.2015.48.4.279
ER  -