in group i myocardial energy preservation was determined with biochemical assays for adenosine triphosphate , creatine phosphate , lactate and creatine 5 , 15 , 30 and 60 minutes after aortic clamping , and preservation of endothelium in the aorta and coronary arteries was studied with scanning electron microscopy .
C0031634
creatine phosphate
C0010286
creatine