Authors: W L George; N A Volpicelli; D B Stiner; D D Richman; E J Liechty; H Y Mok; R D Rolfe; S M Finegold Journal: N Engl J Med Date: 1979-08-23 Impact factor: 91.245
Authors: M R Keighley; D W Burdon; J Alexander-Williams; N Shinagawa; Y Arabi; H Thompson; D Youngs; S Bentley; R H George Journal: Lancet Date: 1978-12-02 Impact factor: 79.321