title: Third-tier fellowship training: advantages and program selection.
authors.affiliation: Gastroenterology Division, University of Pennsylvania Health System, Philadelphia, PA, USA.
authors.forename: Michael L
authors.initials: ML
authors.lastname: Kochman
mesh_terms: D003479:Curriculum; D004502:Education, Medical, Continuing; D016099:Endoscopy, Gastrointestinal; D005257:Fellowships and Scholarships