Liu, Li, Widlak et al.: "The 40-kDa subunit of DNA fragmentation factor induces DNA fragmentation and chromatin condensation during apoptosis." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, Issue 15, pp. 8461-6, 1998 (PubMed).
Sakahira, Enari, Nagata: "Cleavage of CAD inhibitor in CAD activation and DNA degradation during apoptosis." in: Nature, Vol. 391, Issue 6662, pp. 96-9, 1998 (PubMed).
Enari, Sakahira, Yokoyama et al.: "A caspase-activated DNase that degrades DNA during apoptosis, and its inhibitor ICAD." in: Nature, Vol. 391, Issue 6662, pp. 43-50, 1998 (PubMed).
Liu, Zou, Slaughter et al.: "DFF, a heterodimeric protein that functions downstream of caspase-3 to trigger DNA fragmentation during apoptosis." in: Cell, Vol. 89, Issue 2, pp. 175-84, 1997 (PubMed).