| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| POI | Personal Orientation Inventory |
| PPMS | Performax's Personal Matrix System |
| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysacc... |
| PRQ | personal resources questionnaire |