Bongertz, V., & Morgado, M. G. (1994). Prevalence of antibodies against an immunodominant region of the HIV-1 envelope glycoprotein gp41 in sera from HIV-1 infected individuals in Brazil. Memórias do Instituto Oswaldo Cruz, 89(3), . https://doi.org/10.1590/S0074-02761994000300014

Bongertz, Vera, and Mariza Gonçalves Morgado. "Prevalence of Antibodies Against an Immunodominant Region of the HIV-1 Envelope Glycoprotein Gp41 in Sera from HIV-1 Infected Individuals in Brazil." Memórias Do Instituto Oswaldo Cruz 89, no. 3 (1994). https://doi.org/10.1590/S0074-02761994000300014.

Bongertz, Vera, and Mariza Gonçalves Morgado. "Prevalence of Antibodies Against an Immunodominant Region of the HIV-1 Envelope Glycoprotein Gp41 in Sera from HIV-1 Infected Individuals in Brazil." Memórias Do Instituto Oswaldo Cruz, vol. 89, no. 3, 1994, https://doi.org/10.1590/S0074-02761994000300014.