931801 ET-1 endothelin-1 9146 931807 ET-1 exposure to endothelin-1 6 931805 ET1 endothelin-1 induced ischemia 4 931806 ET1 exercise training 1 3 931802 ET1 electrophoretic type 1 1 931804 ET1 elevated T1 1 931803 ET1 endothelial-1 1 931808 ET1 ET1, ECE1 1