Baum Rebecca A, Nash Patricia L, Foster Jessica E A, Spader Michelle, Ratliff-Schaub Karen, Coury Daniel L
Ohio State University, College of Medicine, Section of Developmental/Behavioral Pediatrics, Nationwide Children's Hospital, Columbus, Ohio, USA.
Curr Probl Pediatr Adolesc Health Care. 2008 Sep;38(8):241-61. doi: 10.1016/j.cppeds.2008.07.001.