| AAN | AIDS-associated nephropathy; alpha-amino nitrogen; American Academy of Neurology; American Academy o... |
|---|---|
| AAT | Aachen Aphasia Test; academic aptitude test; alanine aminotransferase; alkylating agent therapy; alp... |
| a1AT | alpha-1-antitrypsin |
| ABNMP | alpha-benzyl-N-methyl phenethylamine |
| ADRA1C | alpha-1C-adrenergic receptor |