title: Advanced training in gastrointestinal endoscopy.
authors.forename: M V
authors.initials: MV
authors.lastname: Sivak
mesh_terms: D004502:Education, Medical, Continuing / Q000639:trends; D016099:Endoscopy, Gastrointestinal; D005762:Gastroenterology / Q000193:education* / Q000639:trends; D014481:United States