There are multiple definitions:
Bethesda unit(English)
- defined as the amount of inhibitor producing a residual activity of 50%. This method has persisted virtually unchanged in the majority of laboratories in the U.S. despite the introduction of modifications to the method in Europe in 1995. See blood coagulation
- BA, CDC, NBA, NBB, NBU
- Hematology
- https://doi.org…36.2012.04705.x
busulfan(English)
- refers to reduced-toxicity conditioning program for acute myelogenous leukemia/myelodysplastic syndromes. Also denoted as Bu
- Clo, CML, CP, CRp, Flu, MDS, AML
- Leukemia
- https://doi.org…bmt.2010.09.022
biological unit(English)