Littman D.Persistence of the juvenile pattern in precordial leads of healthy adult Negroes with a report of electrocardiographic survey on 300 Negro and 200 white subjects.王小嘉,路宏,刘艳芳,等.早复极综合征流行病学普查研究.中华心血管病杂志,2007,35。Ventricular fibrillation with prominen ......