Schiefertafel mit der chemischen Formel von Serotonin
Palabras clave
hormone,
medicine,
chemistry,
formula,
chalk,
chemical,
structure,
hand,
board,
text,
plate,
luck,
write,
blackboard,
blackboard,
drawing,
written,
illustration,
drawn,
graphic,
signs,
technology,
chemical,
laboratory,
science,
symbol,
studying,
concept,
molecular,
connection,
atom,
handwriting,
slate
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