WASHINGTON, Aug. 5 -- The U.S. Department of Health and Human Services Food and Drug Administration issued the following warning letter to Koven Technologies Inc. from its Center for Devices and Radiological Health:

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Recipient: Heather S. Bell, President, Koven Technologies, Inc., 477 N. Lindbergh Blvd. Ste. 220, Saint Louis, MO 63141, United States, (b)(6), (b)(7)(C)

Issuing Office: Center for Devices and Radiological Health, United States