CO98 Influenza Vaccine and Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Cross-Sectional Study in Four Tertiary-Level Hospitals in Peru
Abstract
Authors
H Torres-Zevallos AG Guerreros E Llerena R Estrella A Peña L Mata J Nuñez WC Guzman-Vilca VA Laguna-Torres W Garcia L Botero S Londono