In Situ Cell Death (Apoptosis) Detection by TUNEL labeling
Wilcox Lab,Emory University by Boehringer Mannheim (Catalog No. 1684809), modified by Josiah N. Wilcox, José C. Rodriguez, and Héctor de Léon - Emory University - April 1996 http://www.emory.edu/WILCOX/tunel.paraf.html