TY  - GEN
AU  - Vleggaar,Frank P
AU  - Siersema,Peter D
TI  - Upper gastrointestinal tumors
SN  - 1438-8812
PY  - 2014///1212
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1055/s-0034-1365295
ER  -