Marsters, Sheridan, Donahue et al.: "Apo-3, a new member of the tumor necrosis factor receptor family, contains a death domain and activates apoptosis and NF-kappa B." in: Current biology : CB, Vol. 6, Issue 12, pp. 1669-76, 1997 (PubMed).
Bodmer, Burns, Schneider et al.: "TRAMP, a novel apoptosis-mediating receptor with sequence homology to tumor necrosis factor receptor 1 and Fas(Apo-1/CD95)." in: Immunity, Vol. 6, Issue 1, pp. 79-88, 1997 (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).