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Leonard S. Schleifer, M.D., Ph.D., Founder, President And Ceo, Regeneron, Tim Wentworth, President, Express Scripts And Cigna Services, Cigna, interviewed by: Jonathan D. Rockoff, Deputy Bureau Chief, Health & Science, The Wall Street Journal, during The Pharma Way session at The Wall Street Journal Health Forum at the Four Seasons Hotel Washington, D.C. on April 30, 2019. photo by Gabe Palacio for The Wall Street Journal

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