title: Does long-term PPI use result in vitamin B12 deficiency in elderly individuals?
authors.affiliation: Department of Medicine, New York Medical College, Bronx, NY 10466, USA. dharmarajants@yahoo.com
authors.forename: T S
authors.initials: TS
authors.lastname: Dharmarajan
authors.forename: Edward P
authors.initials: EP
authors.lastname: Norkus