閉めろ。ラボの技術者が確認済みのテストをマーク。コピースペースの写真. - ストックフォト&画像
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Woman working with blood sample in laboratory, closeup
Professional doctors perform find virus tests from samples of blood tests to diagnose coronary virus infections analysis and sampling of infectious.
Researchers test blood samples in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.
Doctor hand holding blood tube and recording the results of the blood test.
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