| NMR | neonatal mortality rate; nictitating membrane response; nuclear magnetic resonance |
|---|---|
| RSMR | relative standard mortality rate |
| SMR | senior medical resident; sensorimotor rhythm; severe mental retardation; sexual maturity rating; ske... |
| SPMR | standard proportionate mortality ratio (or rate) |
| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |