| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
|---|---|
| SPIF | solid-phase immunoassay fluorescence |
| SPR | sepiapterin reductase; serial probe recognition; specific pathogen free; Society for Pediatric Radio... |
| SPRIA | solid phase radioimmunoassay |
| STIC | Science and Technology Information Center; serum trypsin inhibition capacity; solid-state transducer... |