共 46 条
[41]
WILSON SAK, 1955, NEUROLOGY, P922
[42]
1957, MANUAL INT STATISTIC, V1, P357
[43]
1950, CITY NEW YORK DEP HE
[44]
1955, REGISTRAR GENERAL AN
[45]
1953, REGISTRAR GENERAL ST, P250
[46]
1959, US LIFE TABLES, V1