Doctor holding test tube with hepatitis b blood sample in laboratory rack
Schlüsselwörter
hepatitis,
test,
blood,
sample,
tube,
doctor,
medicals,
laboratory,
gloved,
hand,
holding,
rack,
science,
health,
disease,
virus,
testing,
diagnosis,
research,
analysis,
health care,
patient,
care,
hospital,
clinic,
prevention,
treatment,
red,
blue,
purple,
white,
glasses,
liquid,
fluid,
person,
professional,
equipment,
instrument,
collection,
specimen,
infection
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