Human knee pain, computer illustration. — Stock photos

"Human knee pain, computer illustration." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1067 x 1600px, 1733 x 2600px, 4000 x 6000px. The minimum price for an image is 49$. Image in the highest quality is 4000 x 6000px, 300 dpi, and costs 449$.