Κοντινό πλάνο εργαστηριακός επιστήμονας γάντια προστασίας δοκιμαστικούς σωλήνες αντιδραστήρια ιού πιπέττας εμβόλιο σύγκριση πείραμα πράσινο. - Πλάνα & Βίντεο Αρχείου

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Close-up Laboratory scientist laboratory assistant gloves test tubes pipette virus reagents vaccine comparison experiment.

Close-up Laboratory scientist gloves protection test tubes pipette virus reagents vaccine comparison experiment blood comparison.

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Close-up laboratory scientist laboratory assistant gloves test tubes virus reagents vaccine research coronavirus focus pull.

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