Authors: T A Lieu; S L Cochi; S B Black; M E Halloran; H R Shinefield; S J Holmes; M Wharton; A E Washington Journal: JAMA Date: 1994-02-02 Impact factor: 56.272
Authors: N J Webb; M M Fitzpatrick; D A Hughes; T J Brocklebank; B A Judd; M A Lewis; R J Postlethwaite; P A Smith; G Corbitt Journal: Arch Dis Child Date: 2000-02 Impact factor: 3.791