Inhalation of the ETA receptor antagonist LU–135252 selectively attenuates hypoxic pulmonary vasoconstriction. - Petersen,B.; Deja,M.; Bartholdy,R.; Donaubauer,B.; Laudi,S.; Francis,RC.; Boemke,W.; Kaisers,U.; Busch,T.. (Am J Physiol Regul Integr Comp Physiol, 2007)