GRAJEDA ANNCA, P. F.; FILIPO NIÑO DE GUZMÁN, O.; MONTOYA LIZARRAGA, M.; GUEVARA FERNÁNDEZ, Y. Risk factors associated to mortality by novel Influenza A (H1N1) in Cusco-Peru. ACTA MEDICA PERUANA, v. 30, n. 4, p. 97-104, 30 Dec. 2013.