TY  - GEN
AU  - Buckwalter,J A
AU  - Van Scoy,R E
AU  - Knowler,L E
TI  - ABO Blood Groups of Siblings of Duodenal Ulcer Patients
SN  - 0007-1447
PY  - 2011///0404
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bmj.2.5213.1643
ER  -