Improvement of cardiac performance by intravenous infusion of L-arginine in patients with moderate congestive heart failure. - Koifman,B.; Wollman,Y.; Bogomolny,N.; Chernichowsky,T.; Finkelstein,A.; Peer,G.; Scherez,J.; Blum,M.; Laniado,S.; Iaina,A. (J Am Coll Cardiol, 1995)