asian professor scientist protective gloves doing researching testing tube concept test samples antibiotic and future food used |
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| navigate by keyword : acid analysis analyzing antibiotics background beaker biochemistry biology biotechnology board chemical chemist chemistry design development discovery doctor equipment examining experiment expertise food glasses gloves hospital innovative lab laboratory liquid male man medical medicine microbiology microscope professional protective research safety sample samples science scientist technician test tube work worker |
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| Asian professor scientist in protective gloves doing researching,testing tube,concept test samples antibiotic and future food used in medical and science development for people |
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