A DNA Vaccine Encoding Multiple HIV CD4 Epitopes Elicits Vigorous Polyfunctional, Long-Lived CD4+ and CD8+ T Cell Responses - Mora, Mónica Viviana Alvarado; Ribeiro, Susan Pereira; Almeida, Rafael Ribeiro; Mairena, Eliane Conti; Postól, Edilberto; Kalil, Jorge; Cunha Neto, Edecio (PLOS ONE, 2011)