| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpati... |
|---|---|
| SENSOR | Sentinel Event Notification System for Occupational Risks |
| PEN | D-penicillamine |
|---|---|
| PEN | Penicillin |
| Pen G | Penicillin G |
| PeN | Periventricular nucleus |