Authors: R Badaro; E Falcoff; F S Badaro; E M Carvalho; D Pedral-Sampaio; A Barral; J S Carvalho; M Barral-Netto; M Brandely; L Silva Journal: N Engl J Med Date: 1990-01-04 Impact factor: 91.245
Authors: C Montalban; R Martinez-Fernandez; J L Calleja; J D Garcia-Diaz; R Rubio; F Dronda; S Moreno; M Yebra; C Barros; J Cobo Journal: Rev Infect Dis Date: 1989 Jul-Aug
Authors: C Montalban; J L Calleja; A Erice; F Laguna; B Clotet; D Podzamczer; J Cobo; J Mallolas; M Yebra; A Gallego Journal: J Infect Date: 1990-11 Impact factor: 6.072
Authors: J Berenguer; S Moreno; E Cercenado; J C Bernaldo de Quirós; A García de la Fuente; E Bouza Journal: Ann Intern Med Date: 1989-07-15 Impact factor: 25.391