Authors: S E Straus; J M Ostrove; G Inchauspé; J M Felser; A Freifeld; K D Croen; M H Sawyer Journal: Ann Intern Med Date: 1988-02 Impact factor: 25.391
Authors: E M Carvalho; A Barral; D Pedral-Sampaio; M Barral-Netto; R Badaró; H Rocha; W D Johnson Journal: J Infect Dis Date: 1992-03 Impact factor: 5.226