Attribution: [The copyright holder of this image is Jay Malone. This image has been licneced under a creative commons 2.0 agreement. The caption in Greek has been added by me. The original image and the CC 2.0 agreement can be found at https://www.flickr.com/photos/15066420@N00/2989461113/]
Attribution: [The copyright holder of this image is James Heilman, MD. This image has been licenced under a Creative Commons Attribution-Share Alike 3.0 Unported. The caption in Greek has been added by me. The original image and the CC 3.0 agreement can be found at https://commons.wikimedia.org/wiki/File:Pyuria2011.JPG]
Attribution: [The copyright holder of this image is Larry D. Moore CC BY-SA 3.0. The caption in Greek has been added by me. The original image and the CC 3.0 agreement can be found at https://en.wikipedia.org/wiki/File:Runoff_torbidity.jpg]
Attributions: [The first two images are in the public domain. The copyright holder of the third image is oskarlin and it is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. The captions in Greek have been added by me. The original of the third image and the CC 2.0 agreement can be found at https://commons.wikimedia.org/wiki/File ... indeer.jpg]