| PB | British pharmacopeia [Pharmacopoeia Britannica]; paraffin bath; Paul-Bunnell [antibody]; periodic br... |
|---|---|
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| RBBx | right breast biopsy |
| SMB | selected mucosal biopsy; standard mineral base |
| TBB | transbronchial biopsy |