Pulmonary vasodilation to endothelin isopeptides in vivo is mediated by potassium channel activation.
Lippton HL, Cohen GA, McMurtry IF, Hyman AL. Pulmonary vasodilation to endothelin isopeptides in vivo is mediated by potassium channel activation. J Appl Physiol (1985). 1991 Feb; 70(2):947-52.