| MRXS | mental retardation, X-linked, syndrome |
|---|---|
| ONMRS | onychotrichodysplasia-neutropenia-mental retardation syndrome |
| PNM | perinatal mortality; peripheral dysostosis, nasal hypoplasia, and mental retardation [syndrome]; per... |
| retard | retardation, retarded |
| SCARF | skeletal abnormalities, cutis laxa, craniostenosis, psychomotor retardation, facial abnormalities [s... |