| GIF | gastric intrinsic factor; growth hormone-inhibiting factor |
|---|---|
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| IF | idiopathic fibroplasia; idiopathic flushing; immersion foot; immunofluorescence; indirect fluorescen... |
| IFC | intermittent flow centrifugation; intrinsic factor concentrate |
| IHR | intrahepatic resistance; intrinsic heart rate |