| ABO | abortion; absent bed occupancy; American Board of Orthodontists; blood group system consisting of gr... |
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| abs | absent; absolute |
| abs | feb while fever is absent |
| AWOL | absent without official leave |
| TAR | thoracic aortic rupture; thrombocytopenia with absent radii [syndrome]; tissue-air ratio; total abor... |
| erosive adenomatosis of nipple | A benign tumour which may clinically resemble Paget's disease, but which is a papillary or solid growth of columnar and myoepithelial cells producing a florid pseudoinfiltrative pattern. Synonym: adenoma of nipple, erosive adenomatosis of nipple. (05 Mar 2000) |
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