title: Update in chronic obstructive pulmonary disease 2009.
authors.affiliation: Department of Respiratory Medicine, Hospital Universitario Son Dureta, Andrea Doria 55, 07014 Palma de Mallorca, Spain. borja.cosio@ssib.es
authors.forename: Borja G
authors.initials: BG
authors.lastname: Cosio
authors.forename: Alvar
authors.initials: A
authors.lastname: Agustí