Check out this video on YouTube:
[youtube http://youtube.com/w/?v=d3kqO9rc5ik&feature=youtube_gdata_player]
This video should be credited to Surgical Neurology International. More videos are available at http://surgicalneurologyinternational.com/blog/category/videos/how_i_do_it/
Júlio Leonardo B. Pereira
http://lattes.cnpq.br/7687651239699170
http://www.neurocirurgiabr.org
http://www.neurocancer.com
