| RAD | radial artery catheter; radiation absorbed dose; radical; radiography or radiographic; reactive airw... |
|---|---|
| SNGFR | Single Nephron Glomerular Filtration Rate |
| SPA | 1) Single Photon Absorptiometry 2) Sperm Penetration Assay |
| SPECT | Single Photon Emission Computed Tomography = SET |
| ADSL | asymmetrical digital single line |