1. F. LeBoyer, Birth Without Violence, New York: Alfred A. Knopf, 1984: 21,28.
2. W.M. Van Breda and J.M. Breda, "A comparative study of the health status of children raised under the health care models of chiropractic and allopathic medicine," CJR (Summer 1989) 101-103.
3. J.M. Gisen, D.B. Center and R.A. Leach, "An evaluation of chiropractic manipulation as a a treatment of hyperactivity in children," JMPT 12 (October 1989): 353-363.
4. E.V. Walton, "Chiropractic effectiveness with emotional, learing and behavioral impairments, ICA review 29 (September 1975): 2-5