Authors: J Fernández; A Sandino; A Yudelevich; L F Avendaño; A Venegas; V Hinrichsen; E Spencer Journal: Epidemiol Infect Date: 1992-02 Impact factor: 2.451
Authors: R L Ward; O Nakagomi; D R Knowlton; M M McNeal; T Nakagomi; J D Clemens; D A Sack; G M Schiff Journal: J Virol Date: 1990-07 Impact factor: 5.103