TY  - RPRT
TI  - Double contrast barium meal technique.
AU  - J Kalokerinos
PY  - 1967
DO  - 10.1111/j.1440-1673.1967.tb01531.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6063516/
ID  - 6063516
ER  -