Biologic subtypes of melanoma predict survival benefit of combination anti-PD1+anti-CTLA4 immune checkpoint inhibitors versus anti-PD1 monotherapy ================================================================================================================================================== * April A N Rose * Susan M Armstrong * David Hogg * Marcus O Butler * Samuel D Saibil * Diana P Arteaga * Thiago Pimentel Muniz * Deirdre Kelly * Danny Ghazarian * Ian King * Zaid Saeed Kamil * Kendra Ross * Anna Spreafico