african american
analyzing
asian
assistant
background
bacterium
biochemistry
biology
biotechnology
blood
cells
chemical
chemistry
clinic
concept
discovery
doctor
equipment
experiment
genetic
healthcare
innovate
intern
lab
laboratory
man
medical
micro scope
microbiology
microscope
pharmaceutical
professional
research
sample
science
scientific
scientists
student
survey
teaching
team
technology
test tube
tools
vaccine
virology
virus
white
woman
worker
定額
Scientist and students working in lab. Doctor teaching interns to make blood analyzing research. Laboratory tools: microscope, test tubes, equipment. Biotechnology, chemistry, bacteriology, virology and health care concept.の素材 [FY310135281830]
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