Ratio of boys to girls at birth - Is not related to the time taken to conceive, or exposure to environmental agents

被引：15

作者：

Bonde, Jens Peter Ellekilde ^{[1
]}

Wilcox, Allen

机构：

[1] Aarhus Univ Hosp, Dept Occupat Med, DK-8000 Aarhus, Denmark

[2] NIEHS, Epidemiol Branch, Durham, NC USA

来源：

BMJ-BRITISH MEDICAL JOURNAL | 2007年 / 334卷 / 7592期

关键词：

D O I：

10.1136/bmj.39141.622917.80

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

引用

页码：486 / 487

页数：2

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