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Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced that new and updated data investigating KEYTRUDA® (pembrolizumab), the company’s anti-PD-1 therapy, in more than 15 types of cancer will be presented at the 52nd Annual Meeting of the American Society of Clinical Oncology (ASCO) in Chicago, June 3 – 7, 2016. 16 May 2016