1. Cocchiarell L, Andersson GBJ: Guides to the Evaluation of Permanent Impairment. 2001, AMA Press, 375-5
2. Haldeman S, Chapman-Smith D, Petersen DM: Guidelines for chiropractic quality assurance and practice parameters. Proceedings of the Mercy Center Consensus Conference. 1993, Aspen Publishers, Inc., Gaithersburg, Maryland, 38, 40, 147,152
3. Zonnenberg AJJ, Maanen V, Elvers JWH, Oostendorp RAB: Intra/interrater reliability of measurements on body posture photographs. J Craniomandibular Practice. 1996, 14: 326-331.
4. Raine S, Twomey LT: Head and shoulder posture variations in 160 asymptomatic women and men. Arch Phys Med Rehabil. 1997, 78: 1215-1221. 10.1016/S0003-9993(97)90335-X.
5. Vernon H: An assessment of the intra- and inter-reliability of the posturometer. J Manipulative and Physiol Ther. 1983, 6: 57-60.