| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |
|---|---|
| oCRF | ovine corticotropin-releasing factor |
| OCRG | oxycardiorespirography |
| oCRH | ovine corticotropin-releasing hormone |
| OCRL | Lowe's oculocerebrorenal [syndrome] |
| OCRS | oculocerebrorenal syndrome |