Authors: W R Ellis; I M Murray-Lyon; J C Coleman; B A Evans; J L Fluker; J Bull; P W Keeling; P D Simmons; J E Banatvala; J R Willcox; R P Thompson Journal: Lancet Date: 1979-04-28 Impact factor: 79.321
Authors: L Requena Caballero; C Requena Caballero; I Requena Caballero; M Sánchez López; F Vázquez López; J Romero Guerrero; M Casado Jiménez Journal: Epidemiol Infect Date: 1987-12 Impact factor: 2.451