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Medidata Solutions, Inc.https://pcaobus.org/form-ap-filings/20235/20235Medidata Solutions, Inc.202353/23/2018 2:50:35 PM2017ff533ebd-0028-4669-992c-cf31bdd48a9c34Deloitte & Touche LLP442588Medidata Solutions, Inc.1453814MDSO0003411302Shelley Pratt Duncan0003411302True
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