Vargas-Cuba, Felix, Vanessa García-Apaico, Manuel Céspedes, Marcial Palomino-Enciso, and Teresa Ayala-Huaytalla. 2008. “Leptospirosis Seroprevalence and Risk Factor in Patients With Febrile Syndrome from Ayacucho, Perú 2005”. Revista Peruana De Medicina Experimental Y Salud Pública 25 (2). https://doi.org/10.17843/rpmesp.2008.252.1257.