TY  - RPRT
TI  - A simple method for using carbon dioxide during double contrast barium enema.
AU  - C I Bartram
PY  - 1989
DO  - 10.1016/s0009-9260(89)80223-5
UR  - https://pubmed.ncbi.nlm.nih.gov/2502354/
ID  - 2502354
ER  -