title: New training pardigms: The four-plus program.
authors.affiliation: Department of Surgery, Good Samaritan Hospital, Cincinnati, OH 45220, USA.
authors.forename: Richard E
authors.initials: RE
authors.lastname: Welling
mesh_terms: D006801:Humans; D007396:Internship and Residency / Q000379:methods*; D017145:Models, Educational; D014656:Vascular Surgical Procedures / Q000193:education*