| ccbnational.net | Canadian Council Of The Blind |
| cancercontrol.org | Canadian Strategy for Cancer Control |
| arrhythmiaonline.com | Arrhythmia Online |
| dsagno.com | Down Syndrome Association of Greater New Orleans |
| downsed.org | The Down Syndrome Educational Trust |
| cnsdb.ca | Canadian National Society of the Deaf-Blind |
| ctdownsyndrome.org | Connecticut Down Syndrome Congress |
| csdsa.org | Colorado Springs Down Syndrome Association |
| cidso.org | Central Illinois Down Syndrome Organization (CIDSO) |
| ccern.org | Canadian Cancer Etiology Research Network |
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