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Dempsey AF, Freed GL.Dempsey AF, et al. Among authors: freed gl.Pediatrics. 2010 Jan;125(1):43-9. doi: 10.1542/peds.2009-1044. Epub 2009 Nov 30.Pediatrics. 2010.PMID: 19948567
Dempsey AF, Schaffer S, Singer D, Butchart A, Davis M, Freed GL.Dempsey AF, et al. Among authors: freed gl.Pediatrics. 2011 Nov;128(5):848-56. doi: 10.1542/peds.2011-0400. Epub 2011 Oct 3.Pediatrics. 2011.PMID: 21969290