1. Manuell mobilisering av ryggraden;Kaltenborn,1989
2. The reliability of reliability. Review of the literature;Haas;J Manipulative Physiol Ther,1991
3. Interexaminer reliability in physical examination of the neck;Strender;J Manipulative Physiol Ther,1997
4. Interexaminer reliability of palpation for cervical spine tenderness;Hubka;J Manipulative Physiol Ther,1994
5. Interexaminer reliability of observations in physical examinations of the neck;Viikari-Juntura;Phys Ther,1987