Authors: M Cuttini; V Casotto; M Kaminski; I de Beaufort; I Berbik; G Hansen; L Kollée; A Kucinskas; S Lenoir; A Levin; M Orzalesi; J Persson; M Rebagliato; M Reid; R Saracci Journal: Arch Dis Child Fetal Neonatal Ed Date: 2004-01 Impact factor: 5.747