| BI | background interval; bacterial or bactericidal index; base-in [prism]; basilar impression; Billroth ... |
|---|---|
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
| NBI | neutrophil bactericidal index; no bone injury; non-battle injury |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| PRICES | protection, rest, ice, compression, elevation, support [primary treatment of tendinitis and overuse ... |