| RELP | restriction fragment length polymorphism |
|---|---|
| RELV | restriction fragment length variant |
| RFLP | restriction fragment length polymorphism |
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
| SFW | sexual function of women; shell fragment wound; slow-filling wave |