| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
|---|---|
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| HVL | Half-Value Layer |
| GL | gland; glomerular layer; glycolipid; glycosphingolipid; glycyrrhizin; greatest length; gustatory lac... |
| GLH | germinal layer hemorrhage; giant lymph node hyperplasia |