title: Gastroenterology. Preface.
authors.affiliation: Saint Louis University School of Medicine, Division of Geriatric Medicine, 1402 South Grand Boulevard, M-238, Saint Louis, MO 63104, USA.
authors.forename: Syed H
authors.initials: SH
authors.lastname: Tariq
mesh_terms: D000367:Age Factors; D000368:Aged; D005767:Gastrointestinal Diseases / Q000209:etiology* / Q000628:therapy*; D006801:Humans; D012307:Risk Factors