title: Impact of Allergen Immunotherapy on Symptom-Free Days and Health Care Costs in Patients With Grass Pollen-Induced Allergic Rhinitis in Germany.
authors.affiliation: Stallergenes, Antony, France.
authors.forename: M
authors.initials: M
authors.lastname: Najib
authors.affiliation: Pharmerit International, Rotterdam, The Netherlands.
authors.forename: K Y
authors.initials: KY
authors.lastname: Westerhout
authors.affiliation: Pharmerit International, Rotterdam, The Netherlands.
authors.forename: B
authors.initials: B
authors.lastname: Verheggen
authors.affiliation: Stallergenes GmbH, Kamp-Lintfort, Germany.
authors.forename: C H
authors.initials: CH
authors.lastname: Schreder