title: "Subspecialization" according to Couldwell and Rovit.
authors.forename: James I
authors.initials: JI
authors.lastname: Ausman
mesh_terms: D004501:Education, Medical; D006801:Humans; D008511:Medicine / Q000639:trends; D009493:Neurosurgery / Q000193:education* / Q000639:trends; D013038:Specialization