collect a small sample of blood for testing background.
Schlüsselwörter
analysis,
beaker,
biotechnology,
blood,
blood donation,
bottle,
cartoon,
chemical,
chemistry,
con,
design,
doctor,
dripped,
dropper,
drug,
education,
equipment,
experiment,
flask,
health,
hiv,
icon,
illustration,
test,
tube,
test tube,
laboratory,
science,
liquid,
isolated,
tube,
glasses,
blue,
concept,
medicine,
research,
medicals,
success,
laboratory,
colours,
red,
scientific
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