4) Schwartzentruber DJ, Lawson DH, Richards JM, et al. : gp100 peptide vaccine and interleukin-2 in patients with advanced melanoma. N Engl J Med 364: 2119-2127, 2011.
5) Whiteside TL : Inhibiting the inhibitors: evaluating agents targeting cancer immunosuppression. Expert Opin Biol Ther 10: 1019-1035, 2010.