Hanson Janice L, Bannister Susan L, Clark Alexandra, Raszka William V
Department of Medicine, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, USA.
Pediatrics. 2010 Nov;126(5):843-5. doi: 10.1542/peds.2010-2538. Epub 2010 Oct 25.