A phase II study of cladribine treatment for fludarabine refractory B cell chronic lymphocytic leukemia: results from CALGB Study 9211.
Byrd JC, Peterson B, Piro L, Saven A, Vardiman JW, Larson RA, Schiffer C. A phase II study of cladribine treatment for fludarabine refractory B cell chronic lymphocytic leukemia: results from CALGB Study 9211. Leukemia. 2003 Feb; 17(2):323-7.