Comment on

• The identification of ganglion cells in Hirschsprung disease by the immunohistochemical detection of ret oncoprotein.

  Karim S, Hession C, Marconi S, Gang DL, Otis CN. Karim S, et al. Am J Clin Pathol. 2006 Jul;126(1):49-54. doi: 10.1309/YG56-BUXH-WURF-JP3E. Am J Clin Pathol. 2006. PMID: 16753599
• Can we stop looking? Immunohistochemistry and the diagnosis of Hirschsprung disease.

  Kapur RP. Kapur RP. Am J Clin Pathol. 2006 Jul;126(1):9-12. doi: 10.1309/T7RE-Y1N4-3FML-7AA8. Am J Clin Pathol. 2006. PMID: 16753604 No abstract available.