Ten-year trend in the prevalence of chronic cough and phlegm among young adults in Italy
Simone Accordini, Veronica Cappa, Isa Cerveri, Cristina Bombieri, Massimiliano Bugiani, Lucio Casali, Lucia Cazzoletti, Angelo Corsico, Marcello Ferrari, Virginia Ferretti, Alessandro Fois, Francesca Locatelli, Alessandro Marcon, Mario Olivieri, Pietro Pirina, Roberto de Marco
European Respiratory Journal Sep 2011, 38 (Suppl 55) 2956;