| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| pI | isoelectric point |
| PIP | paralytic infantile paralysis; peak inflation pressure, peak inspiratory pressure; periodic interim ... |
| pIs | isoelectric point |
| POC | particulate organic carbon; point of care; postoperative care; probability of chance; product of con... |