title: The many faces of severe asthma.
authors.forename: M
authors.initials: M
authors.lastname: Humbert
mesh_terms: D000328:Adult; D001249:Asthma / Q000453:epidemiology / Q000503:physiopathology* / Q000628:therapy*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010641:Phenotype; D012720:Severity of Illness Index