title: Severe asthma: pragmatic clinical lumping and time for investigational splitting.
authors.affiliation: 1 Pulmonary and Critical Care Medicine, Partners Asthma Center Brigham and Women's Hospital Boston, Massachusetts.
authors.forename: Elliot
authors.initials: E
authors.lastname: Israel
authors.forename: Alberto
authors.initials: A
authors.lastname: Papi
mesh_terms: D018927:Anti-Asthmatic Agents / Q000627:therapeutic use; D001249:Asthma / Q000175:diagnosis* / Q000628:therapy; D018450:Disease Progression; D005541:Forced Expiratory Volume; D006760:Hospitalization; D006801:Humans; D010641:Phenotype; D012720:Severity of Illness Index; D017211:Treatment Failure
chemical_list: D018927:Anti-Asthmatic Agents