| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| ARDS | acute respiratory distress syndrome; adult respiratory distress syndrome |
| IRDS | idiopathic respiratory distress syndrome; infant respiratory distress syndrome |
| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
| CG | cardiography; cardiogreen; choking gas; choriogenic gynecomastia; chorionic gonadotropin; chromogran... |