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donor on bed and doctor holding syringe with blood sample and test tube
Young female scientists examining chemical sample in test tube in laboratory
Woman collecting blood samples from pipette for testing
Soft focus of a vial with blood sample to test for COVID-19 infection
Male scientist pipetting sample into test tubes for analysis of cell population
Science in action pipette adding sample to test tubes with a virus backdrop.
donor on bed and doctor holding syringe with blood sample and test tube
Male scientist pipetting sample into test tubes for analysis of cell population
samples serum tests glass pipettes with drops of serum on a light background
Young female scientist examining chemical sample in test tube in lab
Soft focus of vials with blood sample to test for COVID-19 infection
Medical researcher viewing data on a computer for a blood sample during testing
Medical researcher viewing data on a computer for a blood sample during testing
Team of scientists analyzing biochemicals samples, discussing test result for medicine.
Young female scientist looking at chemical sample in test tube with magnifier
Soft focus of a vial with blood sample to test for COVID-19 infection
donor on bed and doctor holding syringe with blood sample and test tube
Doctor comparing blood samples in test tubes during medical research
Soft focus of vials with blood sample to test for COVID-19 infection
Young female scientist examining chemical sample in test tube in lab
samples serum tests glass pipettes with drops of serum on a light beige
Muslim and african american scientists researching samples in test tubes with microscope
donor on bed and doctor holding syringe with blood sample and test tube
Microscope, science and medical with research, technology and sample with testing, cure and diagnos
Woman scientist testing blood samples
Smiling scientist in white coat showing colleagues a sample in test tube
Closeup research of professional scientist taking a sample from test tube
Healthcare doctor taking sample from test tube using micropipette
Microscope, science and medical with research, analysis and sample with testing, cure and diagnosis
Genetic laboratory researcher taking sample from test tube in clinic
