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Retraction Note: Cardiac findings in a phase II double-blind randomized placebo-controlled trial of combination therapy (HAZDPac) to treat COVID-19 patients

Crossref DOI link: https://doi.org/10.1186/s12872-025-04554-6

Published Online: 2025-02-18

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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