Grajeda Annca, Pablo F., Oscar Filipo Niño de Guzmán, Manuel Montoya Lizarraga, and Yuri Guevara Fernández. 2013. “Risk Factors Associated to Mortality by Novel Influenza A (H1N1) in Cusco-Peru”. ACTA MEDICA PERUANA 30 (4), 97-104. https://amp.cmp.org.pe/index.php/AMP/article/view/1333.