Items where Author is "Kim, Sooyoung"
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Kim, Sooyoung and Headley, Tyler Y. and Tozan, Yesim and Kruk, Margaret E. (2022) Universal healthcare coverage and health service delivery before and during the COVID-19 pandemic: A difference-in-difference study of childhood immunization coverage from 195 countries. PLOS Medicine, 19 (8). e1004060. ISSN 1549-1676