TY  - RPRT
TI  - Gastric ulcers after 70.
AU  - J R Amberg
AU  - F F Zboralske
PY  - 1966
DO  - 10.2214/ajr.96.2.393
UR  - https://pubmed.ncbi.nlm.nih.gov/5908397/
ID  - 5908397
ER  -