| HO | hand orthosis; heterotopic ossification; high oxygen; hip orthosis; history of; Holt-Oram [syndrome]... |
|---|---|
| OALL | ossification of anterior longitudinal ligament |
| OPLL | ossification of posterior longitudinal ligament |
| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| AMC | academic medical center; acetylmethyl carbinol; Animal Medical Center; antibody-mediated cytotoxicit... |