girl examines test tube with biomaterial young woman protective clothing the face medical mask drop

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Girl examines a test tube with biomaterial. Young woman in protective clothing. On the face of a protective medical mask. A drop Royalty Free Stock Photo

Girl examines a test tube with biomaterial. Young woman in protective clothing. On the face of a protective medical mask Royalty Free Stock Photo

Girl examines a test tube with biomaterial. Young woman in protective clothing. On the face of a protective medical mask. A drop

A drop of liquid falls from the tube of a glass heat-resistant water-measuring water-proof tube into a transparent vessel. Girl examines a test tube with biomaterial. Young woman in protective clothing. On the face of a protective medical mask. The hands are dressed in blue latex gloves. On the white mask-black inscription coronavirus