title: [Concept and research strategy in quality of life studies in gastroenterology (review)].
authors.forename: A A
authors.initials: AA
authors.lastname: Novik
authors.forename: T I
authors.initials: TI
authors.lastname: Ionova
authors.forename: N L
authors.initials: NL
authors.lastname: Denisov
mesh_terms: D005762:Gastroenterology; D005767:Gastrointestinal Diseases / Q000503:physiopathology* / Q000628:therapy; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D017060:Patient Satisfaction; D011788:Quality of Life; D012107:Research Design; D018434:Sickness Impact Profile; D011795:Surveys and Questionnaires