[EJ-25-21] The Influence of Improved Wheat and Maize Varieties on Infant Mortality in China

Author：Xiaobing Wang, Xinyu Liu, Shi Min, Songqin Jin*, Jikun Huang*, Scott Rozelle, Jieyuan Feng, Boddupalli M. Prasanna　　Periodical：PNAS Nexus 　　Source： CCAP