Chapters by Dr. Helka Koivu

• Book Chapter Computed Tomography of Osteolysis Related to Total Ankle Replacement
  by Ia Kohonen, Helka Koivu, Kimmo Mattilaand Hannu Tiusanen in the book "CT Scanning - Techniques and Applications" edited by Karupppasamy Subburaj, ISBN 978-953-307-943-1, InTech, October 10, 2011