title: Objective vocal parameters in Farsi-speaking adults with Down syndrome.
authors.affiliation: Speech Therapy Department, Rehabilitation Faculty, and Research Center for Child and Adolescent Health, Zahedan University of Medical Sciences, Zahedan, Iran. panahi29@zdmu.ac.ir
authors.forename: Sadegh
authors.initials: S
authors.lastname: Seifpanahi
authors.forename: Mehdi
authors.initials: M
authors.lastname: Bakhtiar
authors.forename: Tahmineh
authors.initials: T
authors.lastname: Salmalian