1. Comparison of mechanical force of manually assisted chiropractic adjusting instruments;Colloca;J Manipulative Physiol Ther,2005
2. 2. Kawchuk GN, Herzog W (1993) Biomechanical characterization (fingerprinting) of five novel methods of cervical spine manipulation. J Manipulative Physiol Ther 16: 573-577.
3. In vitro biomechanical evaluation of single impulse and repetitive mechanical shockwave devices utilized for spinal manipulative therapy;Liebschner;Ann Biomed Eng,2014
4. Three-dimensional vertebral motions produced by mechanical force spinal manipulation;Keller;J Manipulative Physiol Ther,2006
5. 5. National Board of Chiropractic Examiners, Job Analysis of Chiropractic: a project report, survey analysis and summary of the practice of chiropractic in the United States, Greeley, Colorado, USA. National Board of Chiropractic Examiners; 2005.