| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| PJB | premature junctional beat |
| PJC | premature junctional contractions |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| PNC | penicillin; peripheral nucleated cell; pneumotaxic center; premature nodal contracture |