| LNBx | lymph node biopsy |
|---|---|
| NBP | needle biopsy of prostate; neoplastic brachial plexopathy; nucleic acid binding protein |
| NLB | needle liver biopsy |
| NOBT | nonoperative biopsy technique |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |