| IDA | 1) Imino-Diacetic Acid 2) Iron Deficiency Anemia &nb... |
|---|---|
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
| IAD | inactivating dose; instructional advance directive; internal absorbed dose |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |