Major Firms Merck Sharp & Dohme Corp. (U.S.), AstraZeneca (U.K.), Novartis AG (Switzerland), Gilead Sciences, Inc. (California), Amgen Inc. (U.S.), Bristol-Myers Squibb Company (U.S.), Boehringer Ingelheim International GmbH (Germany), Pfizer, Inc. (U.S.), Johnson & Johnson Services, Inc. (U.K.), are the prominent firms in the global market for heart failure drugs. Heart Failure Drugs...