Pääkkönen Markus, Kallio Markku J T, Kallio Pentti E, Peltola Heikki
Division of Diseases of the Musculoskeletal System, Turku University Hospital and University of Turku, Turku, Finland.
Ann Lab Med. 2013 Sep;33(5):375-8. doi: 10.3343/alm.2013.33.5.375. Epub 2013 Aug 8.