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50.0 MB (1.5 MB compressed)
5912 x 2956 pixels
50.0 x 25.1 cm ⏐ 19.7 x 9.9 in (300dpi)
SEBASTIAN KAULITZKI / SCIENCE PHOTO LIBRARY SEBASTIAN KAULITZKI / SCIENCE PHOTO LIBRARY
Sperm, computer illustration.
Model release not required. Property release not required.