A hand in a lab coat writing on a research paper, with a microscope and test tubes in the background. Bright lighting, clean white background.
Schlüsselwörter
research,
hypothesis,
close,
scientist,
laboratory,
coat,
write,
pen,
document,
symbolize,
science,
professionalism,
review,
journal,
result,
physics,
microscope,
handwriting,
health care,
chemistry,
report,
paper,
equipment,
background,
design,
datum,
study
Deutsch
