F. Catacora-López and J. Villanueva-Roque, “Knowledge about HIV/AIDS and sexual practices in students of 14 to 17 years from Tacna, Perú 2004”, Rev Peru Med Exp Salud Publica, vol. 24, no. 3, Sep. 2007, doi: 10.17843/rpmesp.2007.243.1113.