National network. Founded 1990. Mutual support and networking for families affected by 49XXXXY disorder. Information, pen pals, phone support and newsletter. Write: 49XXXXY 870 Miranda Green Palo Alto, CA 94306 Voice: 650-941-2408 Website: http://klinefeltersyndrome.org/49er.htm E-mail: epqatzka@iname.com Verified: 10/27/2009
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