Medical clinic. Nurse holding an test tube with blood sample. Close up
Close Up Of Test Tubes Containing Blood Group Samples In Laboratory Rack
Taking a blood sample for testing in the tube. Collecting the blood
Positive and negative Blood samples, test tubes in laboratory.
dolly past test tubes of coronavirus blood samples
Positive and negative Blood samples, test tubes in laboratory.
Taking a blood sample for testing in the tube and putting it on the stand
Close-up of test tube with blood test for virus. Creative. Thin tubes with blood for tests. Laboratory tests for virus in hospital
CDC or biohazard tech adding blood sample to test tube
Blood samples in a test-tube centrifuge. Bunch of tubes in a lab environment. Blood samples in a test-tube centrifuge. Bunch of tubes with red liquid inside in a laboratory interior blurred by camera depth of field