lab assistant medical scientist chemistry researcher holds glass tube through chemical test does experiment |
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| navigate by keyword : laboratory research science medical medicine chemistry scientist experiment test technology equipment biology lab chemical scientific biotechnology person analysis health hospital testing healthcare tube liquid microbiology pharmaceutical doctor chemist discovery professional glass microscope biochemistry development university work care study technician researcher industry sample beaker virus drug pharmacy analyzing working vaccine specialist assistant holds examines patient concept |
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| Lab assistant, medical scientist, chemistry researcher holds a glass tube through a chemical test tube, does a chemical experiment and examines a patient's sample. Medicine and research concept |
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