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- Fed Regist. 1999 May 21; 64 (98): 27798.
AbstractThe Food and Drug Administration (FDA) is revoking an advisory opinion entitled "FD&C Act Trade Correspondence, TC-61," (hereinafter called TC-61) dated February 15, 1940, because it is out of date with current scientific knowledge and is superseded by the final rule for over-the-counter (OTC) sunscreen drug products. As an advisory opinion, this correspondence was not published in the Federal Register.
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