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    ​Telephone : ​1-416-481-8657

    Toll-free : 1-800-563-1123

     

    POB 73514

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    The Ontario Prader-Willi Syndrome Association is a registered non-profit charity organization, established in 1982.
    CHARITABLE #:
    11906 8203 RR0001

    This OPWSA website is intended to provide information only - not to diagnose or advocate particular treatment options. The diagnosis and treatment of Prader-Willi Syndrome should be made through a qualified medical professional. Thus, it is strongly urged that patients do not change treatment without first consulting their doctor.

    © 2014 Created by OPWSA.