title: Consistency of sputum eosinophilia in difficult-to-treat asthma: a 5-year follow-up study.
authors.forename: Ilonka H
authors.initials: IH
authors.lastname: van Veen
authors.forename: Anneke
authors.initials: A
authors.lastname: Ten Brinke
authors.forename: Stefanie A
authors.initials: SA
authors.lastname: Gauw
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Sterk
authors.forename: Klaus F
authors.initials: KF
authors.lastname: Rabe
authors.forename: Elisabeth H
authors.initials: EH
authors.lastname: Bel
mesh_terms: D001249:Asthma / Q000150:complications / Q000188:drug therapy* / Q000276:immunology*; D004802:Eosinophilia / Q000175:diagnosis* / Q000209:etiology; D004804:Eosinophils / Q000276:immunology*; D005500:Follow-Up Studies; D006801:Humans; D007958:Leukocyte Count; D008137:Longitudinal Studies; D013183:Sputum / Q000166:cytology / Q000276:immunology*