![Unexplained week-to-week variation in BNP and NT-proBNP is low in chronic heart failure patients during steady state]()
Unexplained week-to-week variation in BNP and NT-proBNP is low in chronic heart failure patients during steady stateSchou, Morten; Gustafsson, Finn; Nielsen, Per H.; Madsen, Lene H.; Kjaer, Andreas; Hildebrandt, Per R. · European Journal of Heart Failure · 2007