blood pressure ( bp ) , plasma prekallikrein ( pk ) , and the extent of activation of factor xii ( xii-act ) were studied after the intravenous injection into rats of dextran ( macrodex ) , the ionic radiographic contrast substance iodipamide ( biligrafin ) , or the non-ionic contrast substance iohexol ( omnipaque ) .
C0022005
iohexol
C0729203
omnipaque