| CEI | character education inquiry; converting enzyme inhibitor |
|---|---|
| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |
| SAIDS | sexually acquired immunodeficiency syndrome; simian acquired immune deficiency syndrome |
| AIDS | Acquired Immuno(Immune)-Deficiency Syndrome; 후천성 면역 결핍 증후군 |
| AISA | Acquired Idiopathic Sideroblastic Anemia = RARS |