| BII | beat inclusion index; Billroth II [operation]; butanol-insoluble iodine |
|---|---|
| FIDD | fetal iodine deficiency disorder |
| I-131 | iodine-131 |
| IAR | immediate asthma reaction; inhibitory anal reflex; iodine-azide reaction |
| IAT | instillation abortion time; iodine azide test; invasive activity test |