Lewis Michelle Huckaby, Gohagan John K, Merenstein Daniel J
Greenwall Fellowship Program in Bioethics and Health Policy, Johns Hopkins Berman Institute of Bioethics, 100 N Charles St, Suite 740, Baltimore, MD 21201, USA.
JAMA. 2007 Jun 20;297(23):2633-7. doi: 10.1001/jama.297.23.2633.