Birth weights and infant mortality among American slaves.
作者信息
Steckel R H
出版信息
Explor Econ Hist. 1986;23(2):173-98. doi: 10.1016/0014-4983(86)90012-4.
PMID:11616963
Abstract
摘要
Steckel R H
Explor Econ Hist. 1986;23(2):173-98. doi: 10.1016/0014-4983(86)90012-4.
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