Liepman M K
Med Clin North Am. 1980 Jul;64(4):705-27. doi: 10.1016/s0025-7125(16)31589-9.
Chronic granulocytic leukemia, chronic lymphocytic leukemia and its variants, and hairy cell leukemia are characterized by prominent organ infiltration and marrow replacement, with a course consisting of years. Although treatment is effective in ameliorating symptoms, little has been gained in terms of increased survival.