Dittrich Anna-Maria, Schulze Ilka, Magdorf Klaus, Wahn Volker, Wahn Ulrich
Department of Paediatric Pneumology and Immunology, Charité-Humboldt University, Augustenburger Platz 1, 13353 Berlin, Germany.
Eur J Pediatr. 2003 Jun;162(6):432-3. doi: 10.1007/s00431-003-1200-4. Epub 2003 Apr 17.