4Moruuzi P,Doria E,Agostoni PG,et al.Usefulness of L-thyroxine to improve cardiac and exercise performanic dilater in idiopathed cardiomyopathy.Am J cardiol,1994;73:274
5Hanmilton MA,stevenson LW,Luu M et al.Altered thyoid hormone metabolism in advanced heart failure[J].JACC,1990;16:91