| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
|---|---|
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
| SIH | stimulation-induced hypalgesia; stress-induced hyperthermia; suction-induced hypoxemia |
| SMI | Self-Motivation Inventory; senior medical investigator; severe mental impairment; silent myocardial ... |