Lung-heart interaction as a substrate for the improvement in exercise capacity after body fluid volume depletion in moderate congestive heart failure. - Agostoni PG; Marenzi GC; Sganzerla P; Assanelli E; Guazzi M; Perego GB; Lauri G; Doria E; Pepi M; Guazzi MD (The American journal of cardiology, 1995)