Otological Microsurgery Courses with Emphasis on Minimally Invasive Techniques

5^th Otological Microsurgery Course with Emphasis on Minimally Invasive Techniques

Bern, Switzerland, March 5-7, 2009

6^th Otological Microsurgery Course with Emphasis on Minimally Invasive Techniques

Bern, Switzerland, September 6-8, 2010