| IMR | individual medical record; infant mortality rate; infant mortality risk; Institute for Medical Resea... |
|---|---|
| MRDD | mentally retarded/developmentally disabled [person] |
| NAR | nasal airway resistance; National Association for Retarded [Children, Citizens]; no action required |
| NARC | narcotic; National Association for Retarded Children; nucleus arcuatus |
| retard | retardation, retarded |