Gotuzzo Herencia, E., E. González Lagos, K. Verdonck Bosteels, E. Mayer Arispe, F. Ita Nagy, and D. Clark Leza. “Twenty Years of Research on HTLV-1 and Its Medical Complications in Peru: General Perspectives”. ACTA MEDICA PERUANA, Vol. 27, no. 3, Sept. 2010, pp. 196-03, http://54.39.98.165/index.php/AMP/article/view/1386.