Vitamin D Testing Errors Continue |»| The Vitamin D Cure Blog - 0 views
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avivajazz jazzaviva on 14 Oct 09"A recent article in the New York Times highlighted an ongoing problem with the accuracy of vitamin D testing at the largest commercial clinical laboratory, Quest Diagnostics. It has become clear from shared experience among vitamin D experts, including myself, that Quest Diagnostics has a problem with seemingly random over-estimation of vitamin D levels."