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Omnicare, Walgreen's should not see margin falloff, says UBS

UBS does not expect to see a margin falloff in 2013 for both Walgreen (WAG) and Omnicare (OCR) due to a conversion of pharmacy reimbursements to an average wholesale price formula from a maximum allowable cost one. Shares of both are Buy rated with the price target of Walgreen raised to $56 from $54 and Omnicare raised to $48 from $46.