Burstein Gale R, Eliscu Allison, Ford Kanti, Hogben Matthew, Chaffee Tonya, Straub Diane, Shafii Taraneh, Huppert Jill
Erie County Department of Health and Women and Children's Hospital of Buffalo, Buffalo, New York, USA.
J Adolesc Health. 2009 Sep;45(3):303-9. doi: 10.1016/j.jadohealth.2009.05.010.