共 25 条
[1]
Bayley RH, 1934, AM J MED SCI, V188, P236
[5]
FISCH C, 1957, Geriatrics, V12, P616
[8]
GRISHAM A, 1952, SPATIAL VECTORCARDIO
[10]
KANNEL WB, 1962, GERIATRICS, V17, P675