title: 19th century dentistry advertising trade cards. Gates of Pearl.
authors.affiliation: Department of Pediatric Dentistry, University of Pennsylvania School of Dental Medicine, USA.
authors.forename: Theodore P
authors.initials: TP
authors.lastname: Croll
authors.forename: Ben Z
authors.initials: BZ
authors.lastname: Swanson
mesh_terms: D000329:Advertising / Q000266:history*; D003802:Dentifrices / Q000266:history*; D006665:History of Dentistry; D049672:History, 19th Century; D008512:Medicine in the Arts
chemical_list: D003802:Dentifrices