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A row of human blood and chemistry samples awaiting testing in the lab
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Close up of scientists hands selecting a blood sample for medical testing
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Doctor preparing to view blood sample under microscope in laboratory for medical testing
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Close up of scientists hand holding blood sample on a glass microscope slide for medical testing
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A blood sample being held with a row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV in lab
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Female scientist viewing various human samples for testing in the laboratory
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Young woman scientist viewing blood sample during clinical testing of medical samples in a laboratory
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Scientist viewing various human samples for testing in the laboratory
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Laboratory technician preparing blood sample for medical testing in laboratory
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Laboratory technician preparing blood sample for medical testing in laboratory
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Male lion (Panthera leo) with blood on his head and mane after feeding, Maasai Mara National Reserve, Kenya
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Laboratory scientist holding a slide containing a blood sample with a upright compound microscope in the background
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Laboratory scientist holding a blood sample with a upright compound microscope in the background
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Young woman scientist viewing blood slide during clinical testing of medical samples in a laboratory
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Young woman scientist viewing blood sample during clinical testing of medical samples in a laboratory
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Blood tube sitting on blood results with technician at microscope in lab
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Portrait of injured young man being treated by doctors against gray background
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A row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV
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Haematology - Blood test with haematology request forms in clinic
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Doctor viewing patients blood slide and other samples under microscope for testing
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Synthetic Blood. Blood testing. A precision micropipette is used to fill microcentrifuge tubes with blood to be tested. Pipettes are commonly used in chemical and biological laboratory research
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Color coded tube containing synthetic blood sample on a bloodwork requisition form that lists a test for prostate-specific antigen (PSA)
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Doctor looking at patients blood slide under microscope with other samples for testing
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Haematology - Blood test with haematology request forms in clinic
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Male polar bear (Ursus maritimus) with a seal prey, Svalbard Archipelago, Barents Sea, Norway, Scandinavia, Europe
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