TY  - GEN
AU  - Kolster,J J
AU  - Castro de Kolster,C
AU  - Macía de Luco,M
TI  - [Serum pepsinogen I levels in bleeding duodenal ulcer]
SN  - 0016-3503
PY  - 1993///0107
KW  - Adolescent
KW  - Adult
KW  - Age Factors
KW  - Child
KW  - Duodenal Ulcer
KW  - blood
KW  - Female
KW  - Humans
KW  - Male
KW  - Middle Aged
KW  - Pepsinogens
KW  - Peptic Ulcer Hemorrhage
KW  - Radioimmunoassay
KW  - Sex Factors
N1  - Publication Type: Comparative Study; English Abstract; Journal Article
ER  -