1. Intratester and inter-tester reliability of the cervical range of motion device;Capuano-Pucci;Archives of Physical Medicine and Rehabilitation,1991
2. Interrater reliability of the Cybex EDI-320 and fluid goniometer in normals and patients with low back pain;Chiarello;Arch Phys Med Rehabil,1993
3. Physical rehabilitation outcome measures;Cole,1995
4. Sample size requirements for reliability studies;Donner;Statistics in Medicine,1987
5. The design and analysis of clinical experiments;Fleiss,1986