High fertility in sub-Saharan Africa.
作者信息
Caldwell J C, Caldwell P
机构信息
Australian National University.
出版信息
Sci Am. 1990 May;262(5):118-25. doi: 10.1038/scientificamerican0590-118.
Abstract
摘要
Caldwell J C, Caldwell P
Australian National University.
Sci Am. 1990 May;262(5):118-25. doi: 10.1038/scientificamerican0590-118.
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