| ECR | effectiveness-cost ratio; electrocardiographic response; emergency care research; emergency chemical... |
|---|---|
| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| JSAIR | Japanese Society of Angiography and Interventional Radiology |
| PDR | pediatric radiology; peripheral diabetic retinopathy; Physicians' Desk Reference; postdelivery room;... |