title: Helicobacter Pylori-Related Vitamin B12 Deficiency: A Potential Contributor in Neuropsychiatric Disorders.
authors.affiliation: Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece.
authors.forename: Jannis
authors.initials: J
authors.lastname: Kountouras
authors.affiliation: Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece.
authors.forename: Stergios A
authors.initials: SA
authors.lastname: Polyzos
authors.affiliation: Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Grigoriadis
authors.affiliation: Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece.
authors.forename: Georgia
authors.initials: G
authors.lastname: Deretzi