| NR | do not repeat [Lat. non repetatur]; nerve root; neural retina; neutral red; noise reduction; nonreac... |
|---|---|
| NRC | National Research Council; National Response Center; normal retinal correspondence; not routine care... |
| OORR | orbicularis oculi reflex response |
| PGR | progesterone receptor; psychogalvanic response |
| PGSR | phosphogalvanic skin response |