| abs | absent; absolute |
|---|---|
| abs | conf absolute configuration |
| AIU | absolute iodine uptake; antigen-inducing unit |
| AL | absolute latency; acinar lumen; acute leukemia; adaptation level; albumin; alcoholism [and other dru... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |