A Study to Evaluate Vaccines Against COVID-19 in the Real World

Clinical trial NCT04775056 · WITHDRAWN

Trial details

NCT number: NCT04775056
Sponsor: Humanity & Health Medical Group Limited
Status: WITHDRAWN
Study type: OBSERVATIONAL

Chronic Liver Disease Hepatic Carcinoma

Start date: 2022-08-01
Primary completion: 2023-12-01
Enrollment: 0

View on ClinicalTrials.gov

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