| G-sac | Gestational Sac |
|---|---|
| DDS | damaged disc syndrome; dendrodendritic synaptosome; dental distress syndrome; depressed DNA synthesi... |
| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
| AS | 1) Aortic Stenosis ; LV 와 Aorta 사이의 압력차 ... |
| MSD | Mean Sac Diameter; Gestational(G)-Sac의 크기 |