Authors: Sarah R Crozier; Siân M Robinson; Sharon E Borland; Keith M Godfrey; Cyrus Cooper; Hazel M Inskip Journal: Paediatr Perinat Epidemiol Date: 2009-09 Impact factor: 3.980
Authors: D V Joseph; J A Jackson; J Westaway; N A Taub; S A Petersen; M P Wailoo Journal: Arch Dis Child Fetal Neonatal Ed Date: 2007-06-19 Impact factor: 5.747