There are multiple definitions:

1. Sudan Black B(English)

   • i.e. stain for phospholipids

2. specialist in blood banking(English)

   • ASCP
   • Hematology, Specialist / expert

3. Sclerocarya birrea stem bark(English)

   • FICI, MIC, SBL
   • Microbiology
   • https://doi.org…55/2022/4261741