TY  - RPRT
TI  - An introductory course for training in endoscopy.
AU  - Spiros D Ladas
AU  - Peter Malfertheiner
AU  - Anthony Axon
PY  - 2002
DO  - 10.1159/000067675
UR  - https://pubmed.ncbi.nlm.nih.gov/12566607/
ID  - 12566607
ER  -