Authors: D W Cameron; J N Simonsen; L J D'Costa; A R Ronald; G M Maitha; M N Gakinya; M Cheang; J O Ndinya-Achola; P Piot; R C Brunham Journal: Lancet Date: 1989-08-19 Impact factor: 79.321
Authors: J N Simonsen; D W Cameron; M N Gakinya; J O Ndinya-Achola; L J D'Costa; P Karasira; M Cheang; A R Ronald; P Piot; F A Plummer Journal: N Engl J Med Date: 1988-08-04 Impact factor: 91.245