| URS | ultrasonic renal scanning |
|---|---|
| USS | ultrasound scanning |
| AAMRS | automated ambulatory medical record system |
| ABL | abetalipoproteinemia; acceptable blood loss; African Burkitt lymphoma; Albright-Butler-Lightwood [sy... |
| ACAT | acetocoenzyme A acetyltransferase; automated computerized axial tomography |