Many horses have received Bute, which is a carcinogen and can cause aplastic anemia in humans.

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In long-term use it carries a one in 30, 000 risk of a serious side effect - the bone marrow disorder aplastic anaemia.

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These include aplastic anaemia and some other disorders of the bone marrow.

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His work applied to patients with aplastic anemia has defined and improved treatments and increased the long-term survival of this patient group to greater than 90 percent.

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