Looking back. 1924.
D002641:Chicago; D002648:Child; D019140:Dental Care for Children / Q000266:history*; D003740:Dental Clinics / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007087:Illinois; D012953:Societies, Dental / Q000266:history*