%0 Journal Article %A S Klugmann %A A Salvi %A F Camerini %T Haemodynamic effects of nifedipine in heart failure. %D 1980 %R 10.1136/hrt.43.4.440 %J British Heart Journal %P 440-446 %V 43 %N 4 %U https://heart.bmj.com/content/heartjnl/43/4/440.full.pdf