Authors: D J Morris; P Morgan-Capner; D J Wood; M Dalton; J Wright; H I Thomas; R F Stevens Journal: Epidemiol Infect Date: 1989-12 Impact factor: 2.451
Authors: A W Craft; M M Reid; P S Gardner; E Jackson; J Kernahan; J McQuillin; T C Noble; W Walker Journal: Arch Dis Child Date: 1979-10 Impact factor: 3.791