Amark P E
Department of Women's and Children's Health, Karolinska Institute and Astrid Lindgren Children's Hospital, Karolinska Hospital, Stockholm, Sweden.
Acta Paediatr. 2009 Dec;98(12):1869-70. doi: 10.1111/j.1651-2227.2009.01526.x. Epub 2009 Sep 28.