| 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 |
| AAHSLD | Association of Academic Health Sciences Library Directors |
| ANSWER | Agency for Toxic Substances and Disease Registry/National Library of Medicine's Workstation for Emer... |