1. Dorlands illustrated medical dictionary;Anderson,1994
2. Osseous manual thrust techniques;Bartol,1995
3. A benefit of spinal manipulation as adjunctive therapy for acute low-back pain: a stratified controlled trial;Hadler;Spine,1987
4. Chiropractic and distraction adjustments today;Cox,1998
5. Manual force, mechanically assisted articular chiropractic technique using long and/or short level contacts;Bergmann;J Manipulative Physiol Ther,1993