TY  - RPRT
TI  - [Peptic ulcer in the elderly--general considerations, definition and classification].
AU  - Shinko Kato-Tsukada
AU  - Takashi Nakamura
PY  - 2002
UR  - https://pubmed.ncbi.nlm.nih.gov/12187739/
ID  - 12187739
ER  -