| SPIA | solid-phase immunoabsorption; solid-phase immunoassay |
|---|---|
| SPIF | solid-phase immunoassay fluorescence |
| FIA | fistula in ano; fluorescent immunoassay; focal immunoassay; Freund incomplete adjuvant |
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
| SPPS | solid phase peptide synthesis; stable plasma protein solution |