Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 50 8 2021 07 22 The Urban-Rural Gap in Under-5 Mortality Rate Narrowed in China, 1991-2019 1722 1723 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 2021 04 27 2021 06 21 No Abstract https://ijph.tums.ac.ir/index.php/ijph/article/view/24729 https://ijph.tums.ac.ir/index.php/ijph/article/download/24729/7331