| PNdb | perceived noise decibel |
|---|---|
| S/N | signal/noise [ratio] |
| SNR | selective nerve root [block]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary... |
| PP2 | 2 Hrs Post-Prandial plasma glucose Level |
| AL | absolute latency; acinar lumen; acute leukemia; adaptation level; albumin; alcoholism [and other dru... |