| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| PTPI | posttraumatic pulmonary insufficiency |
| PVI | patient video interview; peripheral vascular insufficiency; perivascular infiltration; positron volu... |
| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
| SRI | serotonin reuptake inhibitor; severe renal insufficiency; sorcin; Stanford Research Institute; struc... |