TY  - RPRT
TI  - The double contrast barium meal--a simplification.
AU  - G V O'Reilly
AU  - G Bryan
PY  - 1974
DO  - 10.1259/0007-1285-47-560-482
UR  - https://pubmed.ncbi.nlm.nih.gov/4418949/
ID  - 4418949
ER  -