TY  - RPRT
TI  - Low density barium and bentonite mixture versus high density barium: a comparative study to optimize negative gastrointestinal contrast agents for MRI.
AU  - M R Paley
AU  - A I Nicolas
AU  - P J Mergo
AU  - G M Torres
AU  - S S Burton
AU  - P R Ros
PY  - 1997
DO  - 10.1016/s0730-725x(97)00029-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9364949/
ID  - 9364949
ER  -