a microangiographic technique , using novel methods of contact x-ray microscopy , was developed and used to study the effects of ionic ( urografin 370 ) and non-ionic ( omnipaque 350 ) radiographic contrast media , and hyperkalaemia ( exposure to 15 , 30 and 60 mm-k+ solutions ) on coronary artery calibre and total coronary vascular resistance in isolated , langendorff-perfused rabbit hearts .
C0205042
coronary artery
C0018787
hearts