title: Seventy-five and growing.
authors.affiliation: Baltimore College of Dental Surgery, Dental School, University of Maryland at Baltimore 21201, USA.
authors.forename: R R
authors.initials: RR
authors.lastname: Ranney
mesh_terms: D018865:Dental Research / Q000266:history*; D049673:History, 20th Century; D007391:International Cooperation; D012953:Societies, Dental / Q000266:history*