title: On the shoulders of giants.
authors.forename: Ken M
authors.initials: KM
authors.lastname: Hargreaves
mesh_terms: D018865:Dental Research; D004059:Diffusion of Innovation; D004708:Endodontics / Q000639:trends*; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D014481:United States