| FCMW | Foundation for Child Mental Welfare |
|---|---|
| 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] |
| HSMHA | Health Services and Mental Health Administration |