TY  - RPRT
TI  - Second thoughts about second-look endoscopy for ulcer bleeding?
AU  - Z A Saeed
PY  - 1998
DO  - 10.1055/s-2007-1001369
UR  - https://pubmed.ncbi.nlm.nih.gov/9826146/
ID  - 9826146
ER  -