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临床试验/CTRI/2021/08/035655
CTRI/2021/08/035655尚未招募未知

A retrospective study to assess the effectiveness of Covid-19 vaccination and incidence of SARS-COV-2 reinfection in healthcare and frontline workers working in a tertiary cancer centre of India. - NO

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Effectiveness of Covid-19 vaccination and incidence... | 临床试验