Prognostic burden of heart failure diagnosed in primary care or secondary care: a population-based linked electronic health record cohort study in 2.1 million people: 675
S Koudstaal, M Pujades-Rodriguez, S Denaxas, JMIH Gho, A Shah, C Gale, A Hoes, J Cleland, F Asselbergs, H Hemingway
January 2016