THE INFLUENCE OF AGE OF THE GRANDPARENT AT THE BIRTH OF THE PARENT ON THE NUMBER OF CHILDREN BORN AND THEIR SEX.

被引：4

作者：

Ewart, R. J.

机构：

来源：

JOURNAL OF HYGIENE | 1915年 / 15卷 / 01期

关键词：

D O I：

10.1017/S0022172400006161

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

引用

页码：127 / 162

页数：36

共 35 条

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