ST. LOUIS, Dec. 22 /PRNewswire-FirstCall/ -- Sigma-Aldrich Corporation will be presenting at the 28th Annual J.P. Morgan Healthcare Conference on Monday, January 11th at 9:30 AM Pacific Time in San Francisco, CA. Interested parties may listen via live audio broadcast over the Internet available at http://investor.sigmaaldrich.com/. Users can click the “Webcast” icon to access this file.
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