title: Size of the speciality.
authors.forename: A
authors.initials: A
authors.lastname: Martin
authors.forename: S J
authors.initials: SJ
authors.lastname: Hadziyannis
authors.forename: M
authors.initials: M
authors.lastname: Jablonska
authors.forename: A
authors.initials: A
authors.lastname: Gabryelewicz
authors.forename: G
authors.initials: G
authors.lastname: Hellers
mesh_terms: D005060:Europe; D005762:Gastroenterology / Q000193:education; D005767:Gastrointestinal Diseases; D006301:Health Services Needs and Demand; D006801:Humans; D000078329:Workforce