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Archive Home > 2009 > January > 08 > Vitamin D tests may be flawed

Vitamin D tests may be flawed

By New York Times News Service / The Bulletin
January 8, 2009

The nation’s largest medical laboratory company provided possibly erroneous results to thousands of people who had their vitamin D levels tested in the last two years, the company has acknowledged.

The company, Quest Diagnostics, has already sent letters to thousands of doctors listing....

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