TY  - RPRT
TI  - Gastrointestinal bleeding in the elderly.
AU  - T Lingenfelser
AU  - C Ell
PY  - 2001
DO  - 10.1053/bega.2001.0252
UR  - https://pubmed.ncbi.nlm.nih.gov/11866487/
ID  - 11866487
ER  -