| PNMR | postnatal mortality risk |
|---|---|
| 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) |
| T90 | time required for 90% mortality in a population of microorganisms exposed to a toxic agent |