Authors: P Lepage; P Van de Perre; M Caraël; F Nsengumuremyi; J Nkurunziza; J P Butzler; S Sprecher Journal: Lancet Date: 1987-08-15 Impact factor: 79.321
Authors: L Thiry; S Sprecher-Goldberger; T Jonckheer; J Levy; P Van de Perre; P Henrivaux; J Cogniaux-LeClerc; N Clumeck Journal: Lancet Date: 1985-10-19 Impact factor: 79.321