Czuczman MS, Porcu P, Johnson J, Niedzwiecki D, Kelly M, Hsi ED, Cook JR, Canellos G, Cheson BD. Results of a phase II study of 506U78 in cutaneous T-cell lymphoma and peripheral T-cell lymphoma: CALGB 59901. Leuk Lymphoma. 2007 Jan; 48(1):97-103.