| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
|---|---|
| DNR | daunorubicin; do not resuscitate; dorsal nerve root |
| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
| SNR | selective nerve root [block]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary... |
| SNRB | selective nerve root block |