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iechyd da
IED
IEE
IEEE
-ier
IF
if
IFA
IFC
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iffy
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IgM
IgM


noun 
Definition:
 
group of antibodies: a class of antibodies, circulating in the blood and secretions, that help the body to resist viruses
[Abbreviation of immunoglobulin M]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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