twenty-five piglets were subjected to experimental transduodenal pancreatography , using three contrast media ( cm ) , namely sodium meglumine diatrizoate ( urografin ) , meglumine ioxaglate ( hexabrix ) , and iohexol ( omnipaque ) , all diluted to a concentration of 300 mg/ml of iodine .
C0022005
iohexol
C0729203
omnipaque