Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Denolin, H; Kuhn, H; Krayenbuehl, H P; Loogen, F; Reale, A (1983). The definition of heart failure. European Heart Journal, 4(7):445-448.