Causes can be a leukemia.Logical formLearned from2 sentences. (Leukemia cells) may undergo a proliferation.Logical formLearned from2 sentences. Drugs may be used for leukemia.Logical formLearned from2 sentences. Some signs can be constituted-of-or-filled-with leukemia.Logical formLearned from2 sentences. Leukemia can be in a central nervous system.Logical formLearned from2 sentences. Leukemia can be in particular.Logical formLearned from2 sentences. Radiation can be a cause of leukemia.Logical formLearned from2 sentences. (Radiation treatments) can be for leukemia.Logical formLearned from2 sentences. Leukemia may undergo an understanding.Logical formLearned from2 sentences. A diagnosis may pertain-to a leukemia.Logical formLearned from2 sentences. Leukemias can be in patients.Logical formLearned from2 sentences. Research can be on leukemia.Logical formLearned from2 sentences. Leukemia can be in some trials.Logical formLearned from2 sentences. Some patients can be with hairy (cell leukemia).Logical formLearned from2 sentences. (Survival rates) can be for leukemia.Logical formLearned from2 sentences.