title: The life and times of Painless Parker.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Giangrego
mesh_terms: D000329:Advertising / Q000266:history; D002170:Canada; D006665:History of Dentistry; D049672:History, 19th Century; D049673:History, 20th Century; D011215:Practice Management, Dental / Q000266:history*; D014081:Tooth Extraction / Q000266:history; D014481:United States