| SAN | sinoatrial node; sinoauricular node; slept all night; solitary autonomous nodule |
|---|---|
| SE | saline enema; sanitary engineering; side effect; smoke exposure; solid extract; sphenoethmoidal; spi... |
| SPN | senior plan network; sialophorin; solitary pulmonary nodule; supplemental parental nutrition; sympat... |
| DRG | Dorsal Root Ganglia |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |