1[1]Chiang BN,Perlman LV,Ostrander LV JR et al. Relationship of premature systoles to coronary heart disease and sudden death in the Tecumseh epidemiologic study[J]. Ann Intern Med,1969,70:1159.
2[2]Fairfax AJ,Leatham A. Systemic embolism in chronic sinoatrial disorder[J]. N Engl J Med, 1976,295:190.
3[3]Kannel WB, Abbott RD,Savage DD et al. Coronary jeaaart disease and atrial fibrillation:the framingham study[J]. Am Heart J, 1983,106: 389.
4[4]Ferrer MI. The etiology and batural histiry of sinus bide disoders[J]. Arch Ibtern Ned, 1982,142 : 371.
