acquired immune deficiency syndrome
or acquired immunodeficiency syndrome
Dictionary.com Unabridged
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acquired immune deficiency syndrome
acquired immunodeficiency syndrome
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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acquired immune deficiency syndrome
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
acquired immune deficiency syndrome
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.