Article posted: 5/13/2013 1:11 PM

Walgreen extends agreement with CVS Caremark

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Deerfield-based drugstore chain Walgreen Co. has extended its agreement to fill prescriptions for CVS Caremark Corp.

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Deerfield-based drugstore chain Walgreen Co. has extended its agreement to fill prescriptions for CVS Caremark Corp., which runs one of the nation's largest pharmacy benefit management businesses.