| T2 | diiodothyronine; spin-spin or transverse relaxation time |
|---|---|
| EPM | electron probe microanalysis; electrophoretic mobility; energy-protein malnutrition |
| EPXMA | electron probe x-ray microanalyzer |
| HPU | heater probe unit |
| SPR | sepiapterin reductase; serial probe recognition; specific pathogen free; Society for Pediatric Radio... |