de Lange E E, Shaffer H A
Radiology. 1985 Mar;154(3):825. doi: 10.1148/radiology.154.3.3969489.
A new medium density barium suspension is described for the biphasic contrast examinations of the upper gastrointestinal tract. It is designed for the bubbly barium method, and combines good mucosal coating properties in the double contrast phase of the examination with transparency in the single contrast graded-compression phase.