AR and heart failure: 83 McMurray McMurray JJ JJ Packer Packer M M Desai Desai AS AS Gong Gong J J Lefkowitz Lefkowitz MP MP Rizkala Rizkala AR AR Angiotensin-neprilysin inhibition versus enalapril in heart failure Angiotensin-neprilysin inhibition versus enalapril in heart failure N Engl J Med N Engl J Med 2014 2014 371 371 11 11 993 993 1004 1004 25176015 25176015 83.