| Abbreviation | Definition |
|---|---|
| SMO | safe motherhood officer |
| SMO | second medical opinion |
| SMO | site management organisation |
| SMO | surveillance medical officer |
| SMOTS | Scotia Medical Observation and Training System |
| SMP | skim milk protein |
| SMP | social marketing project |
| SMP | standard medical practice |
| SMP | strategic management plan |
| SMP | submuscular plexus |
| SMR | severe mental retardation |
| SMR | sexual maturity rating |
| SMR | standard metabolic rate |
| SMR | standardised morbidity ratio (!) |
| SMR | standardised mortality ratio |
| SMR | streptomycin resistant |
| SMR | submucosal resection |
| SMS | Security Management Specialist |
| SMS | senior medical student |
| SMS | serial motor seizures |