TY  - GEN
AU  - Berg,M
TI  - Influence of age and ABO blood groups in the precipitation of bleeding peptic ulcers
SN  - 0017-5749
PY  - 1970///0305
KW  - ABO Blood-Group System
KW  - Adolescent
KW  - Adult
KW  - Age Factors
KW  - Aged
KW  - Duodenal Ulcer
KW  - complications
KW  - Humans
KW  - Middle Aged
KW  - Peptic Ulcer Hemorrhage
KW  - etiology
KW  - Statistics as Topic
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/gut.10.12.1029
ER  -