There are multiple definitions:
B-type Raf kinase(English)
Bristol Rheumatoid Arthritis Fatigue [questionnaire](English)
- a 20-item multi-dimensional questionnaire
- MDQ, NRS, RA, VAS
- Rheumatology, Fatigue, Questionnaire
- https://doi.org….1002/acr.20282
type B rapidly accelerated fibrosarcoma(English)