Reaching Out: The WAGR Syndrome Network (Chromosome 11 Deletion, WAGR- (W) ilms tumor; (A) niridia; (G) enitourinary anomalies/ gonadblastoma; Mental (R) etardation)

Restless Legs Syndrome Foundation (Restless Legs Syndrome, Nocturnal Myoclonus)

Retinoblastoma Family Association (Retinoblastoma)

Rombergs Connection (Parry Romberg Syndrome) (Romberg Syndrome)

Rubinstein-Taybi Syndrome (Canada) (Rubinstein-Taybi Syndrome)

Russell-Silver Syndrome Network (Russell-Sivler Syndrome)