the primary urine or blood sample used in doping tests in professional sports; if the a-sample tests positive, the b-sample is tested to confirm or invalidate the results see also b-sample

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    . . also, a.v. ad valorem. . artillery volunteers. . authorized version (of the bible). historical examples and me off in the china sea amongst the boxers, a-v’yaging hither and thither to pick up a cargo o’ boxes to box comp-sses with! the old tobacco shop william bowen abbreviation audiovisual abbreviation ad valorem abbreviation of […]

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