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                  ​Telephone : ​1-416-481-8657

                  Toll-free : 1-800-563-1123

                   

                  POB 73514

                  Toronto, Ontario

                  M6C 4A7

                   

                  Email: 

                  ontariopws@gmail.com

                   

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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.