Calretinin Immunohistochemistry Versus Acetylcholinesterase Histochemistry in Rectal Biopsies for the Diagnosis of Hirschsprung's Disease - Rodrigues, Maria Aparecida Marchesan [UNESP]; Lourenção, Pedro Luiz Toledo de Arruda [UNESP]; Terra, Simone Antunes [UNESP]; Ortolan, Erika Veruska Paiva [UNESP]; Takegawa, Bonifácio Katsunori [UNESP] (Nature Publishing Group, 2013)