| MSF | macrophage slowing factor; macrophage spreading factor; Medicins sans Frontieres [Doctors without Bo... |
|---|---|
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
| 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 ... |