Tudós keverjük össze a vegyi anyagokat a shake gép előtt a kísérlet.Mixture kevert mintákat kémcsövekbe, thai tudós dolgozik a laborban - Stock fotó és kép
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Close-up of hands in gloves holding a plastic sample container and a graduated glass pipette with out of focus test tubes in the back. Research concept.
Medical or scientific researcher or man doctor looking at a test tube of clear solution in a laboratory
View of stethoscope with a digital thermometer and hands with gloves holding a plastic container and a graduated glass pipette with out of focus test tubes in the back. vaccine research concept.
This vaccine will change the world. a doctor preparing a dose of the covid vaccination for a patient
Researchers test blood samples in the laboratory. Researchers are inventing vaccines to treat COVID-19 virus.
Scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes