| CVG/MR | cutis verticis gyrata/mental retardation [syndrome] |
|---|---|
| DOOR | deafness, onycho-osteodystrophy, mental retardation [syndrome] |
| FMR | fragile site mental retardation [syndrome]; Friend-Moloney-Rauscher [antigen] |
| FRAXE | X-linked mental retardation-fragile site [syndrome] |
| FRAX-MR | fragile X-mental retardation [syndrome] |