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Critiques: Blood test, procedure 'flawed'

Updated: July 24, 2010, 12:48 AM ET
Associated Press

NEW YORK -- A scientist who has worked to develop a urine test for human growth hormone says the blood test baseball plans to use for minor leaguers can only detect the substance for 6 to 12 hours.

Don Catlin said Friday that the test, announced a day earlier by baseball commissioner Bud Selig, is of limited use. In February, a British rugby league player became the first athlete suspended following a positive HGH test.

"The fact that it's been around for a few thousand tests and only ...

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