| OTF | octamer-binding transcription factor; oral transfer factor |
|---|---|
| PAB | para-aminobenzoate; performance assessment battery; pharmacologic autonomic block; poly(A)-binding [... |
| PB | British pharmacopeia [Pharmacopoeia Britannica]; paraffin bath; Paul-Bunnell [antibody]; periodic br... |
| PBA | polyclonal B-cell activity; pressure breathing assist; prolactin-binding assay; prune belly anomaly;... |
| PBC | peripheral blood cell; point of basal convergence; pre-bed care; primary biliary cirrhosis; progesti... |