| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
|---|---|
| Pn | pneumatic; pneumonia |
| pneu, pneum | pneumonia |
| PPA | palpation, percussion, auscultation; pepsin A; phenylpropanolamine; phenylpyruvic acid; Pittsburgh p... |
| PPB | platelet-poor blood; pneumococcal pneumonia and bacteremia; positive pressure breathing |