Human knee joint pain — Stock photos

"Human knee joint pain" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 707 x 1600px, 1149 x 2600px, 2779 x 6287px. The minimum price for an image is 49$. Image in the highest quality is 2779 x 6287px, 300 dpi, and costs 449$.