Zimmer, L., Utikal, J., & Schadendorf, D. (2017). Ipilimumab alone or in combination with nivolumab after progression on anti-PD-1 therapy in advanced melanoma. European journal of cancer, 75, . https://doi.org/10.1016/j.ejca.2017.01.009
Chicago Style (17th ed.) CitationZimmer, Lisa, Jochen Utikal, and Dirk Schadendorf. "Ipilimumab Alone or in Combination with Nivolumab After Progression on Anti-PD-1 Therapy in Advanced Melanoma." European Journal of Cancer 75 (2017). https://doi.org/10.1016/j.ejca.2017.01.009.
MLA (9th ed.) CitationZimmer, Lisa, et al. "Ipilimumab Alone or in Combination with Nivolumab After Progression on Anti-PD-1 Therapy in Advanced Melanoma." European Journal of Cancer, vol. 75, 2017, https://doi.org/10.1016/j.ejca.2017.01.009.
Warning: These citations may not always be 100% accurate.