| SBB | Sudan Black B |
|---|---|
| AAN | AIDS-associated nephropathy; alpha-amino nitrogen; American Academy of Neurology; American Academy o... |
| NN | neonatal; nevocellular nevus; normally nourished; normal nutrition; nurse's notes |
| RAN | resident's admission notes |
| REC | receptor; recombination, recombinant [chromosome] |