Rett syndrome
ORPHA:778Revesz syndrome
ORPHA:3088Reye syndrome
ORPHA:3096Reynolds syndrome
ORPHA:779RHYNS syndrome
ORPHA:140976RIN2 syndrome
ORPHA:217335Ring chromosome 1 syndrome
ORPHA:1437Ring chromosome 11 syndrome
ORPHA:96175Ring chromosome 22 syndrome
ORPHA:1446Ring chromosome 4 syndrome
ORPHA:1447Ring chromosome 8 syndrome
ORPHA:1450RNU4-2-related autosomal dominant neurodevelopmental disorder
ORPHA:686488Rombo syndrome
ORPHA:3110Rotor syndrome
ORPHA:3111Serrated polyposis syndrome
ORPHA:157798SIM1-related Prader-Willi-like syndrome
ORPHA:398079Smith-Lemli-Opitz syndrome
ORPHA:818SPECC1L-related hypertelorism syndrome
ORPHA:1519Tatton-Brown-Rahman syndrome
ORPHA:404443Tetraamelia-multiple malformations syndrome
ORPHA:3301Townes-Brocks syndrome
ORPHA:857Trisomy 13 syndrome
ORPHA:3378W syndrome
ORPHA:2804Weaver syndrome
ORPHA:3447