| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
|---|---|
| ESR | Einstein stoke radius; electric skin resistance; electron spin resonance; equipment service report; ... |
| FAR | Federal acquisitions regulation; fractional albumin rate; fresh bone marrow |
| FCR | flexor carpi radialis; fractional catabolic rate |
| FDR | fractional disappearance rate |