| AES | acetone-extracted serum; American Electroencephalographic Society; American Encephalographic Society... |
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| AFS | acquired or adult Fanconi syndrome; alternative financing system; American Fertility Society; antifi... |
| AGGS | anti-gas gangrene serum |
| AHLS | antihuman lymphocyte serum |
| AHTS | antihuman thymus serum |
| liquid human serum | The pool of fluids separated from blood withdrawn from human subjects and allowed to clot in the absence of any anticoagulant; not more than 10 separate donations are pooled; the contributions from donors of A, O, and either B or AB groups are represented in approximately the ratio 9:9:2. (05 Mar 2000) |
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