Calretinin Immunohistochemistry Can Reduce the Rate of Inconclusive Diagnoses in Rectal Biopsies for Hirschsprung's Disease - Rodrigues, Maria Aparecida Marchesan [UNESP]; Lourenção, Pedro Luiz Toledo de Arruda [UNESP]; Terra, S. A. [UNESP]; Ortolan, Erika Veruska Paiva [UNESP]; Takegawa, Bonifácio Katsunori [UNESP] (Nature Publishing Group, 2014)