A close-up photo of four glass medical test tubes, each topped with a white cap, laboratory containers with red liquid or blood
Palabras clave
blood,
test,
tube,
group,
analysis,
medicals,
red,
laboratory,
laboratory,
container,
chemical,
treatment,
bottle,
ampoule,
exam,
liquid,
glasses,
transparent,
analysing,
chemistry,
equipment,
concept,
research,
preparation,
sample,
reagent,
deoxyribonucleic acid,
white,
hospital,
medicine,
science,
pharmacy,
pharmaceutical,
scientific,
experiment,
beaker,
exam,
closeup,
closeup,
pipette,
substance,
flask,
discovery,
glassware,
health,
bottle,
plastic,
test tube
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