title: Frequency of Hepatopulmonary Syndrome (HPS) Among Patients With Liver Cirrhosis: A Letter to Editor.
authors.affiliation: Department of Gastroenterology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
authors.forename: Ali
authors.initials: A
authors.lastname: Mokhtarifar
authors.affiliation: Department of Gastroenterology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
authors.forename: Hamidreza
authors.initials: H
authors.lastname: Azimi
authors.affiliation: Department of Gastroenterology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
authors.forename: Abbas
authors.initials: A
authors.lastname: Esmaeelzadeh
authors.affiliation: Department of Cardiology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
authors.forename: Mahmood
authors.initials: M
authors.lastname: Ebrahimi
authors.affiliation: Department of Gastroenterology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
authors.forename: Seyed Ahmad
authors.initials: SA
authors.lastname: Eghbali
keywords: Cirrhosis; Hepatopulmonary Syndrome (HPS); Liver Diseases