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Haemophilia

Haemophilia or hemophilia is the name of any of several hereditary genetic illnesses that impair the body's ability to control bleeding.

Genetic deficiencies can cause lowered plasma clotting factor activity so as to compromise blood-clotting; when a blood vessel is injured, a scab will not form and the vessel can continue to bleed excessively for a very long period of time.

Note:   The above text is excerpted from the Wikipedia article "Haemophilia", which has been released under the GNU Free Documentation License.
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May 25, 2017

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