The dose produced by a native and by a modified proton beam in passing through tissue, compared to the absorption of a photon or x-ray beam
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: vectorization, translation
<a href="//commons.wikimedia.org/wiki/File:BraggPeak.png" title="File:BraggPeak.png">File:BraggPeak.png</a> by Dr A A Miller