The Urban-Rural Gap in Under-5 Mortality Rate Narrowed in China, 1991-2019
Lu Chen
Division of Prevention and Community Health, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing 102308, China
Zengwu Wang
Division of Prevention and Community Health, Fuwai Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing 102308, China