| SRIF | Somatotropin Release-Inhibitory Factor = Somatostatin |
|---|---|
| CIF | cloning inhibitory factor |
| CIS | carcinoma in situ; catheter-induced spasm; central inhibitory state; Chemical Information Service; c... |
| CLIF | cloning inhibitory factor; Crithidia luciliae immunofluorescence |
| CSIF | cytokine synthesis inhibitory factor |