by Quispe Ricalde, M.A, Soto, M, Perez, E, Miranda, L, Aguilar, E, Luna, R, Mendoza, J, Apaza, Y, Quispe, M, Santana Morales, M, Afonso Lehmann, R, Martinez Carretero, E, Valladares, B, Pacheco, R
Published in International journal of infectious diseases (01.06.2012)