Appendicular Biopsy in Total Colonic Aganglionosis: A Histologically Challenging and Inadvisable Practice. - Mohanty S; Kini U; Das K; Puttegowda D; Yadav L; Babu MK; Mahadevappa K; Kumar P; Mahadevaiah SA; Deb M (Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society, 2017)