a double-blind , cross-over trial of the non-ionic , low-osmolar contrast medium iohexol ( omnipaque ) and the ionic , low-osmolar medium ioxaglate ( hexabrix ) at concentrations of 300 mg i/ml was carried out in 107 consecutive patients with arterial insufficiency of the lower limbs .
C0022005
iohexol
C0729203
omnipaque