ArticlePloS one2016
Improved Fecundity in Northern China: A Secular Trend from 1980 to 2003.
Xiaobing Tian et al.PubMed ↗Full text ↗Publisher ↗
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ArticlePloS one2016
Xiaobing Tian et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.