Effect of ilioinguinal nerve block on the catecholamine plasma levels in orchidopexy: comparison with caudal epidural block. - Somri,M.; Gaitini,L.A.; Vaida,S.J.; Yanovski,B.; Sabo,E.; Levy,N.; Greenberg,A.; Liscinsky,S.; Zinder,O. (Paediatr Anaesth, 2002)