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Dictionary

blood' group"

Med.
any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

blood fluke

bloodguilty

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