Authors: J Mann; T C Quinn; P Piot; N Bosenge; N Nzilambi; M Kalala; H Francis; R L Colebunders; R Byers; P K Azila Journal: N Engl J Med Date: 1987-02-05 Impact factor: 91.245
Authors: E Jeffries; B Willoughby; W J Boyko; M T Schechter; B Wiggs; S Fay; M O'Shaughnessy Journal: Can Med Assoc J Date: 1985-06-15 Impact factor: 8.262
Authors: L A Kingsley; R Detels; R Kaslow; B F Polk; C R Rinaldo; J Chmiel; K Detre; S F Kelsey; N Odaka; D Ostrow Journal: Lancet Date: 1987-02-14 Impact factor: 79.321