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https://www.selleckchem.com/products/jph203.html
Although OA scientific production has increased, some weaknesses in OA practice, such as lack of licensing or under-researched topics, still hold back its effective use for further research. In the post-COVID-19 pandemic era, many countries have launched apps to trace contacts of COVID-19 infections. Each contact-tracing app (CTA) faces a variety of issues owing to different national policies or technologies for tracing contacts. In this study, we aimed to investigate all the CTAs used to trace contacts in various countries worldwide, in
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