Topalian SL, Hodi FS, Brahmer JR, Gettinger SN, Smith DC, McDermott DF, Powderly JD, Carvajal RD, Sosman JA, Atkins MB, Leming PD, Spigel DR, Antonia SJ, Horn L, Drake CG, Pardoll DM, Chen L, Sharfman WH, Anders RA, Taube JM, McMiller TL, Xu H, Korman AJ, Jure-Kunkel M, Agrawal S, McDonald D, Kollia GD, Gupta A, Wigginton JM, Sznol M. Safety, Activity, and Immune Correlates of Anti–PD-1 Antibody in Cancer. New England Journal Of Medicine 2012, 366: 2443-2454. PMID: 22658127, PMCID: PMC3544539, DOI: 10.1056/nejmoa1200690.Peer-Reviewed Original Research