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50.7 MB (2.7 MB compressed)
4859 x 3644 pixels
41.1 x 30.7 cm ⏐ 16.2 x 12.1 in (300dpi)
ASKLEPIOS MEDICAL ATLAS / SCIENCE PHOTO LIBRARY ASKLEPIOS MEDICAL ATLAS / SCIENCE PHOTO LIBRARY
Illustration of the Plateau phase in a Male sexual response.
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