Authors: K Marsh; D Forster; C Waruiru; I Mwangi; M Winstanley; V Marsh; C Newton; P Winstanley; P Warn; N Peshu Journal: N Engl J Med Date: 1995-05-25 Impact factor: 91.245
Authors: H E Elphick; P Sherlock; G Foxall; E J Simpson; N A Shiell; R A Primhak; M L Everard Journal: Arch Dis Child Date: 2001-01 Impact factor: 3.791