| KO | keep on; keep open; killed organism; knee orthosis; knock out |
|---|---|
| LSO | lateral superior olive; left salpingo-oophorectomy; left superior oblique; lumbosacral orthosis |
| RGO | reciprocating gait orthosis |
| SEWHO | shoulder-elbow-wrist-hand orthosis |
| SIO | sacroiliac orthosis |