TY  - RPRT
TI  - Barium for double contrast examinations: some practical considerations.
AU  - J Kalokerinos
PY  - 1973
DO  - 10.1111/j.1440-1673.1973.tb01427.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4756768/
ID  - 4756768
ER  -