| IB | idiopathic blepharospasm; immune body; inclusion body; index of body build; infectious bronchitis; I... |
|---|---|
| IDL | Index to Dental Literature; interface definition language; intermediate density lipoprotein; interme... |
| MIDI | musical instrument digital interface |
| RIF | radiological interface; release-inhibiting factor; rifampin; right iliac fossa; rosette-inhibiting f... |
| SLIP | serial line interface protocol |