| SPA | 1) Single Photon Absorptiometry 2) Sperm Penetration Assay |
|---|---|
| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotrophy; spondyloarthropathy; spontaneous platelet aggregation; staphylococcal protein A; student progress assessment; suprapubic aspiration; surface polypeptide, anonymous |
| SPACE | single potential analysis of cavernous electrical activity |
| SPAD | stenosing peripheral arterial disease |
| SPAF | spontaneous paroxysmal atrial fibrillation |
| SPAG | small particle aerosol generator |
| SPAI | steroid protein activity index |
| SPAM | scanning photoacoustic microscopy |
| SPAMM | spatial modulation of magnetization |
| SPAR | sensitivity prediction by acoustic reflex |