Expression of adenosine triphosphate-sensitive potassium channels in rats with cirrhosis: correlationship with sympathetic activity and renal function oleh Julio Cesar Martins Monte, Marcelino de Souza Durão Júnior, Marcelo Costa Batista, Miriam Boim, Dulce Casarini, Miguel Cendoroglo Neto, Oscar Fernando Pavão dos Santos