| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| ROI | reactive oxygen intermediate; region of interest; right occipitolateral [fetal position] |
| SCII | Strong-Campbell Interest Inventory |
| SLIDRC | Student Loan Interest Deduction Restoration Coalition |
| VOI | volume of interest |
| P.H.S. | Public Health Service |
|---|---|
| PSA | public service announcement |
| USPHS | United States Public Health Service |
| VPH | Veterinary Public Health |