| PB | Peripheral Blood |
|---|---|
| PB | British pharmacopeia [Pharmacopoeia Britannica]; paraffin bath; Paul-Bunnell [antibody]; periodic breathing; peripheral blood; peroneus brevis; phenobarbital; phenoxybenzamine phonetically balanced; pinealoblastoma; polymyxin B; premature beat; pressure breathing; protein binding; punch biopsy |
| Pb | lead [Lat. plumbum]; phenobarbital; presbyopia |
| PB test | Paul Bunnell test |
| Pb-B | lead in blood |
| PBA | polyclonal B-cell activity; pressure breathing assist; prolactin-binding assay; prune belly anomaly; pulpobuccoaxial |
| PBAL | protected bronchoalveolar lavage |
| PBB | polybrominated biphenyl |
| PBBs | polybrominated biphenyls |
| PBC | Primary Biliary Cirrhosis |