Popular Article:

Grady, Denise. “Immunotherapy Drugs Slow Skin Cancer That Has Spread to the Brain,” New York Times, Aug. 22, 2018. https://www.nytimes.com/2018/08/22/health/melanoma-immunotherapy-brain-tumors.html?rref=collection%2Fsectioncollection%2Fhealth

Primary source:

Tawbi, Hussein A., Forsyth, Peter A., Algazi, Alain, Hamid, Omid, Hodi, F. Stephen, Moschos, Stergios J., Khushalani, Nikhil I. et al, “Combined Nivolumab and Ipilimumab in Melanoma Metastatic to the Brain.” New England Journal of Medicine 379: 722-730. DOI: 10.1056/NEJMoa1805453