Improved Fecundity in Northern China: A Secular Trend from 1980 to 2003

Improved Fecundity in Northern China: A Secular Trend from 1980 to 2003

Bibliographic Details
Main Authors: Tian, Xiaobing, Jiang, Jingmei, Wang, Jiedong, Zhang, Shucheng
Format: Online
Language:English
Published: Public Library of Science 2016
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5082934/

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5082934/

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