| AES | acetone-extracted serum; American Electroencephalographic Society; American Encephalographic Society... |
|---|---|
| AOS | American Ophthalmological Society; American Otological Society; anodal opening sound; anterior [o]es... |
| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpati... |
| SENSOR | Sentinel Event Notification System for Occupational Risks |