title: Dr. Helene Shingles: a life dedicated to geriatric dentistry.
authors.forename: P R
authors.initials: PR
authors.lastname: Crawford
mesh_terms: D000368:Aged; D016321:Dental Care for Aged / Q000266:history; D005850:Geriatric Dentistry / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009864:Ontario; D017664:Uncompensated Care