| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| PIA | photoelectric intravenous angiography; plasma insulin activity; preinfarction angina; Psychiatric In... |
| PIDRA | portable insulin dosageregulating apparatus |
| PIIP | portable insulin infusion pump |
| PIRI | plasma immunoreactive insulin |