Immunodiagnosis of human Strongyloidiasis: use of six different antigenic fractions from Strongyloides venezuelensis parasitic females - Corral, Marcelo Andreetta; Paula, Fabiana Martins de; Gottardi, Maiara; Meisel, Dirce Mary Correia Lima; Castilho, Vera Lucia Pagliusi; Gonçalves, Elenice Messias do Nascimento; Chieffi, Pedro Paulo; Gryschek, Ronaldo César Borges (Revista do Instituto de Medicina Tropical de São Paulo, 2015)