title: Fellowships: the third wave.
authors.forename: Leon A
authors.initials: LA
authors.lastname: Assael
mesh_terms: D003796:Dental Service, Hospital; D004499:Education, Dental, Graduate; D004501:Education, Medical; D005257:Fellowships and Scholarships; D013502:General Surgery / Q000193:education; D006784:Hospitals, Teaching; D006801:Humans; D007396:Internship and Residency; D013515:Surgery, Oral / Q000193:education*; D014481:United States