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CDC or biohazard tech adding blood sample to test tube
Female scientist examining test tube in lab
Cropped shot of a female biologist receiving a rack with blood samples test tubes from her assistant while working on a research at the medical laboratory. Health, clinical research, survey concept.
Young beautiful female biologist handing a stack full of blood samples test tubes to her coworker at the laboratory. Medicine, healthcare, immunology, microbiology concept.
Selective focus on test tubes with blood samples on the foreground. Laboratory workers conducting experiments. Scientists working in a modern lab. Healthcare, medicine, development.
Close up of a female microbiologist examining blood test tubes with her female assistant. Medical laboratory workers preparing to analyze blood samples. Immunology, medicine, healthcare.
Attractive female young medical worker examining blood samples in test tubes while working at the modern lab. Beautiful woman scientist working at the laboratory. Vaccination, virus, study.
Close up shot of a young attractive biologist and her female colleague discussing blood test tubes while working together at the medical laboratory. Biology, medicine, chemistry.
Close up shot of a young attractive female scientist wearing glasses examining blood test tubes while working at the laboratory. Profession, occupation, medicine, healthcare development.
Two female laboratory workers examining blood samples together comparing test tubes discussing research material. Beautiful scientist and her colleague working together at the lab.
vintage 1930 nurse handing the doctor a blood sample in a test tube
Medical clinic. Nurse holding an test tube with blood sample. Close up
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