TY  - RPRT
TI  - Upper endoscopy for occult bleeding in renal failure.
AU  - S Gupta
AU  - D L Walker
AU  - A Keshavarzian
AU  - H J Hodgson
PY  - 1987
DO  - 10.1097/00004836-198702000-00011
UR  - https://pubmed.ncbi.nlm.nih.gov/3559112/
ID  - 3559112
ER  -