| NARP | neuropathy-ataxia-retinitis pigmentosa [syndrome] |
|---|---|
| OHAHA | ophthalmoplegia-hypotonia-ataxia-hypacusis-athetosis [syndrome] |
| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
| SCA | self-care agency; severe congenital anomaly; sickle-cell anemia; single-camera autostereoscopic [ima... |
| SOPCA | sporadic olivopontocerebellar ataxia |