Usefulness of immunocytochemical demonstration of neuron-specific enolase in the diagnosis of Hirschsprung's disease. - Nogueira,A.MMF.; Barbosa,A.JA.; Caravalho,A.A.; Pinheiro,F.C.; Coelho,M.; Cabral,M.MDA.; Andrade,I.ED. (J Pediatr Gastroenterol Nutr, 1990)