Authors: A P Lipscomb; R J Thorburn; E O Reynolds; A L Stewart; R J Blackwell; G Cusick; M D Whitehead Journal: Lancet Date: 1981-02-21 Impact factor: 79.321
Authors: C Morgan; S J Newell; D A Ducker; J Hodgkinson; D K White; C J Morley; J M Church Journal: Arch Dis Child Fetal Neonatal Ed Date: 1999-03 Impact factor: 5.747