| SU | salicyluric acid; secretory unit; sensation unit; solar urticaria; sorbent unit; spectrophotometric ... |
|---|---|
| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| ACU | acquired cold urticaria; acute care unit; agar colony-forming unit; ambulatory care unit |
| BU | base of prism up; Bethesda unit; blood urea; Bodansky unit; bromouracil; burn unit |
| CICU | cardiac intensive care unit; cardiovascular inpatient care unit; coronary intensive care unit |