Head Banging: References

"Stereotypies of Infancy and Childhood." Author: Vamsi Krishna Chinthapalli, MBBS, MRCP; Chief Editor: Amy Kao, MD. EMedicine. Web. 31 Aug. 2011. <http://emedicine.medscape.com/article/1493013-overview>

"Head Banging and Body Rocking." Cleveland Clinic. Web. 31 Aug. 2011. <http://my.clevelandclinic.org/disorders/sleep_disorders/hic_head_banging_and_body_rocking.aspx>.