| SSDI | Social Security Disability Income; Supplemental Security Disability Income |
|---|---|
| SSI | segmental sequential irradiation; shoulder subluxation inhibition; small-scale integration; Social S... |
| Op, op. | Operation; 수술 |
| VSD | Ventricular Septal Defect ? Types of VSD 1. Subpulmonic(=... |
| BI | background interval; bacterial or bactericidal index; base-in [prism]; basilar impression; Billroth ... |