Drop of blood falling from syringe on black background.
Palabras clave
blood,
laboratory,
medicine,
research,
science,
background,
sample,
syringe,
white,
acid,
beaker,
biology,
chemist,
chemistry,
colours,
dye,
flask,
funnel,
microbiology,
microscope,
mixer,
review,
scientist,
specimen,
sulfur,
toxic,
water,
aids,
bloody,
care,
closeup,
make well,
disease,
disposable,
donation,
dripped,
drug
