The Focus Foundation team has uploaded some myths and facts about 47, XXY. To get the latest and most accurate information, visit The Focus Foundation site now.
The Focus Foundation
Klinefelter Syndrome Diagnosis Specialist
820 W Central Ave #190 -, Davidsonville, Maryland, United States 21035
https://thefocusfoundation.org/x-y-chromosomal-variations/xxy/
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