Korpal-Szczyrska Maria, Stefanowicz Joanna, Iżycka-Świeszewska Ewa, Sierota Danuta, Kozłowska Marta, Balcerska Anna
Department of Pediatrics, Medical University of Gdansk, Gdansk, Poland.
Pediatr Int. 2012 Jun;54(3):426-8. doi: 10.1111/j.1442-200X.2012.03613.x.