Marx Michaela, Plank Christian, Zimmermann Bettina, Graupner Maike, Kiehntopf Michael, Dötsch Jörg
Department of Paediatrics and Adolescent Medicine, Friedrich-Alexander University, Loschgestrasse 25, 91054 Erlangen, Germany.
Eur J Pediatr. 2004 Apr;163(4-5):260-1. doi: 10.1007/s00431-003-1395-4. Epub 2004 Feb 7.