Blue gram positive cocci on white background.
Schlüsselwörter
aids,
angst,
breast,
cancer,
mobile phone,
chemo,
chemo,
defense,
diagnosis,
disease,
exam,
germ,
hiv,
immune,
infection,
irradiation,
liver,
lump,
lung,
propagation,
radiation,
red,
render,
scattering,
screening,
widener,
system,
therapy,
treatment,
tumour,
vaccination,
violet,
virus
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