Histologic and immunohistochemical evaluation of intestinal innervation in dogs with and without intussusception - Oliveira-Barros, Leda Marques de; Costa-Casagrande, Thaís Andrade; Cogliati, Bruno; Sá, Lilian Rose Marques de; Matera, Júlia Maria (American Journal of Veterinary Research, 2010)