Clofarabine induces ERK/MSK/CREB activation through inhibiting CD99 on Ewing sarcoma cells. - Sevim H; Çelik H; Düşünceli L; Ceyhan CS; Molotkova A; Nakazawa K; Graham GT; Petro JR; Toretsky JA; Üren A (PloS one, 2021)