| IU | 1) International Unit; 국제단위 2) Immunizing Unit; 면역단위 |
|---|---|
| BMU | basic metabolic unit; basic multicellular unit |
| BSU | Bartholin, Skene, urethral [glands]; basic structural unit; British standard unit |
| CFU-S, | CFUS colony-forming unit, spleen; colony-forming unit, stem cells |
| CRU | cardiac rehabilitation unit; clinical research unit |