title: Bilateral schwartze sign, decision-making for surgery.
authors.affiliation: Department of Otorhinolaryngology, Imam Reza Hospital. Faculty of medicine, Mashhad University of Medical Sciences.
authors.forename: Morteza
authors.initials: M
authors.lastname: Nourollahian
authors.forename: Shirin
authors.initials: S
authors.lastname: Irani