Blackboard with the chemical formula of Creatinine
Schlüsselwörter
kidney,
urine,
blackboard,
chalk,
text,
signs,
write,
blackboard,
scripture,
handwriting,
letter,
lettering,
dark background,
written,
black,
illustration,
chemistry,
science,
drawing,
writing,
chemical,
formula,
molecular,
structure,
graphic,
structural,
scientific,
symbol,
molecular,
abstract,
research,
pattern,
medicals,
drug
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