title: Assessing airflow obstruction: when everything is not so obvious.
authors.forename: Riccardo
authors.initials: R
authors.lastname: Pellegrino
authors.forename: Vito
authors.initials: V
authors.lastname: Brusasco
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis*; D005541:Forced Expiratory Volume; D006801:Humans; D014109:Total Lung Capacity; D014797:Vital Capacity