11.   That drug, Campath, approved in May to treat chronic lymphocytic leukemia, was acquired when the company bought Leukosite.

12.   The cause was chronic lymphocytic leukemia, said his daughter, Stephanie Allin Clemson of Evanston, Ill.

13.   The cause was chronic lymphocytic leukemia, said her husband, Robert Press.

14.   The drug, which is awaiting FDA approval, is designed to treat chronic lymphocytic leukemia in patients who have failed to respond to other medications.

15.   The drug is aimed at patients with chronic lymphocytic leukemia, the most pervasive adult form of leukemia, who have been unsuccessful with earlier treatments.

16.   Waldmann had developed a monoclonal antibody called Campath totreat chronic lymphocytic leukemia.

17.   Acute lymphocytic leukemia is the most common childhood cancer, but still rare.

18.   Acute lymphocytic leukemia is most common form of childhood leukemia.

19.   Acute lymphocytic leukemia destroys bone marrow.

20.   Arsenic has not been linked to acute lymphocytic leukemia.