title: Dentistry on stamps. Toothbrush cleaning the Earth.
authors.forename: Hannelore T
authors.initials: HT
authors.lastname: Loevy
authors.forename: Aletha A
authors.initials: AA
authors.lastname: Kowitz
mesh_terms: D003742:Dental Devices, Home Care / Q000266:history*; D049673:History, 20th Century; D010678:Philately; D014481:United States