| STANDOUT | soft thresholding and depth cueing of unspecified techniques |
|---|---|
| URD | unspecified respiratory disease; upper respiratory disease |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| IV | ichthyosis vulgaris; initial visit; interventricular; intervertebral; intravaginal; intravascular; i... |
| IVB | intraventricular block; intravitrial blood |