![enter image description here][1]

© Tim 2015. Licensed [CC by SA 3.0][2].

[Original image that design is based on][3] (not included in design).

[High Quality version of image][4].

SVG coming soon.


  [1]: https://i.sstatic.net/KBZkF.png
  [2]: http://creativecommons.org/licenses/by-sa/3.0/
  [3]: http://web-dvm.net/wp-content/uploads/2014/09/Syringe.jpg
  [4]: https://i.sstatic.net/azxVZ.png