Authors: K M De Cock; E Gnaore; G Adjorlolo; M M Braun; M F Lafontaine; G Yesso; G Bretton; I M Coulibaly; G M Gershy-Damet; R Bretton Journal: BMJ Date: 1991-03-02
Authors: C S Peckham; R S Tedder; M Briggs; A E Ades; M Hjelm; A H Wilcox; N Parra-Mejia; C O'Connor Journal: Lancet Date: 1990-03-03 Impact factor: 79.321