TY  - RPRT
TI  - Single- vs. double-contrast GI studies: more discussion.
AU  - J W Young
AU  - R P Gobien
PY  - 1982
DO  - 10.2214/ajr.139.4.835
UR  - https://pubmed.ncbi.nlm.nih.gov/6981953/
ID  - 6981953
ER  -