Calretinin Immunohistochemistry Versus Acetylcholinesterase Histochemistry in Rectal Biopsies for the Diagnosis of Hirschsprung's Disease - Rodrigues, M. [UNESP]; Lourencao, P. L. [UNESP]; Terra, S. A. [UNESP]; Ortolan, Erika Veruska Paiva [UNESP]; Takegawa, Bonifácio Katsunori [UNESP] (Nature Publishing Group, 2013)