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Top 100 cited articles in one year of COVID-19 research – A..:

Ragul Ganesh ; Karthikeyan Mahalingam ; N Kandaswamy...
http://www.ijph.in/article.asp?issn=0019-557X;year=2021;volume=65;issue=4;spage=375;epage=379;aulast=Ganesh.  , 2021