| NIRNS | National Institute for Research in Nuclear Science |
|---|---|
| NMRI | Naval Medical Research Institute; nuclear magnetic resonance imaging |
| RIMR | Rockefeller Institute for Medical Research |
| SK | seborrheic keratosis; senile keratosis; Sloan-Kettering [Institute for Cancer Research]; spontaneous... |
| SRI | serotonin reuptake inhibitor; severe renal insufficiency; sorcin; Stanford Research Institute; struc... |