Frederick P. Rivara, MD, MPH; Dimitri A. Christakis, MD, MPH; Peter Cummings, MD, MPH
Arch Pediatr Adolesc Med. 2004;158(9):926. doi:10.1001/archpedi.158.9.926
John S. March, MD, MPH
Arch Pediatr Adolesc Med. 2004;158(9):927-929. doi:10.1001/archpedi.158.9.927
Christine A. Bachrach, PhD; Rosalind B. King, PhD
Arch Pediatr Adolesc Med. 2004;158(9):931-932. doi:10.1001/archpedi.158.9.931