The logo of Germany's largest drugmaker Bayer HealthCare Pharmaceuticals is pictured on the front of its building in Berlin

Reuters
The logo of Germany's largest drugmaker Bayer HealthCare Pharmaceuticals is pictured on the front of its building in Berlin
The logo of Germany's largest drugmaker Bayer HealthCare Pharmaceuticals is pictured on the front of its building in Berlin April 28, 2011. REUTERS/Fabrizio Bensch
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