| SRIF | Somatotropin Release-Inhibitory Factor = Somatostatin |
|---|---|
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| PIF | 1) Proliferation Inhibitory Factor 2) Prolactin release Inhibiting Factor... |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| GH-RIF | growth hormone-release inhibiting factor |