title: Roots of graduate medical education in South Dakota.
authors.affiliation: Sanford School of Medicine, The University of South Dakota, USA.
authors.forename: G Michael
authors.initials: GM
authors.lastname: Tibbitts
mesh_terms: D004503:Education, Medical, Graduate / Q000639:trends*; D006801:Humans; D007396:Internship and Residency / Q000639:trends*; D013023:South Dakota