| BFO | balanced forearm orthosis; ball-bearing forearm orthosis; blood-forming organ |
|---|---|
| HO | hand orthosis; heterotopic ossification; high oxygen; hip orthosis; history of; Holt-Oram [syndrome]... |
| AFO | Ankle Foot Orthosis |
| AFO | ankle/foot orthotic [brace or cast]; ankle-foot orthosis |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |