| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
|---|---|
| EXA | electronic X-ray archives |
| LTA | leukotriene A; lipoate transacetylase; lipotechoic acid; local tracheal anesthesia; long-term archiv... |
| MRAB | machine-readable archives in biomedicine |
| ABS | abdominal surgery; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovin... |