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Blood samples in PCR tubes.
Samples in tubes stored in container with ice.
Rack of food samples in test tubes.
Food samples in test tubes on blue background.
Blood samples in centrifuge tubes on white background.
Urine samples in containers for analysis, studio shot.
Blood samples tubes in polystyrene tray.
Blood samples in test tubes on white background.
Close-up of sample tubes with medical samples.
Racks of food samples in test tubes.
Close-up of samples in containers for biological research.
Rack of test tubes with blood samples in laboratory.
Microcentrifuge sample tubes in styrofoam rack on blue background.
Sample tubes in container with ice in laboratory.
PCR tubes with orange samples on black background.
Blood samples in test tubes
Blood samples for testing in microcentrifuge tubes.
Rack of test tubes with blood samples on blue background.
Close-up of microcentrifuge tubes with various samples.
Blood samples in test tube rack.
Close-up view of tubes with blood samples.
Liquids of different colors in sample vials in laboratory.
Meat samples for DNA testing in food standards laboratory
Tubes with samples with working chemist in laboratory.
Close-up of microcentrifuge tubes with blood samples.
Scientist holding DNA gel in front of samples for testing in laboratory
Blood samples in syringes on white background.
Test tubes rack with urine samples for analysis, studio shot.
PCR tubes with orange and purple samples on black background.
Stacked Petri dishes with blood samples.
Various medical samples on microscope slides stacked in box
Close-up of pipette and tubes for automated blood sample testing.
Racks of samples in test tubes and Petri dishes on laboratory table.
Close-up of pipettes and tubes for automated blood sample testing.
Close-up of rack of sample tubes with blood for analysis.
Close up view of blood samples in test tubes
Test tubes containing blood samples on laboratory table
Labelled test tubes with blood samples.
Labelled vacutainer tubes containing blood samples, close-up.
Test tubes with urine samples for analysis on white background, studio shot.
PCR tubes with orange, green and purple samples, full frame.
Test tubes with urine samples for analysis, studio shot.
Barcodes on test tubes with blood samples.
Close-up of tubes for automated blood sample testing.
Technician taking samples in lab
Scientist viewing multi well plate containing samples for testing in laboratory.
Scientist pipetting samples into multi well plate for automated testing in laboratory.
PCR tubes with orange, green and purple samples on black background.
Female scientist holding blood samples in test tubes.
Test tubes with red liquid in rack.
Biological samples in test tubes and Petri dishes on laboratory table.
Close-up of pipetting samples into microcentrifuge tubes.
Close up of Scientific samples in storage containers
Scientist pipetting samples into test tubes in laboratory.
Blood samples in microcentrifuge tube strip for genetic analysis.
DNA samples, autoradiogram and forensic evidence bag on blue background.
Blood sampling vacutainer tubes in rack, close-up.
Scientist preparing samples in microcentrifuge tubes for chemical analysis.
Medical sample tubes labelled with bar codes.
Researcher hand selecting labelled test tubes with blood samples.