NEW YORK (GenomeWeb News) - Sigma-Aldrich today reported a 9 percent drop in revenues for the three months ended March 31, while net income was flat year-over-year.

The company's first-quarter sales fell to $519 million from $570 million in the first quarter of 2008. Excluding a 10 percent currency impact, first-quarter sales grew organically by 1 percent, Sigma said.

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