title: The three H's are not enough.
authors.affiliation: Division of Dentistry, Brigham and Women's Hospital, University School of Dental Medicine, Boston.
authors.forename: S T
authors.initials: ST
authors.lastname: Sonis
mesh_terms: D003479:Curriculum; D004059:Diffusion of Innovation; D004498:Education, Dental, Continuing; D006801:Humans