title: An old photograph promotes the certification of graduates by examination.
authors.forename: Evan
authors.initials: E
authors.lastname: Koch
mesh_terms: D002568:Certification / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009719:Nurse Anesthetists / Q000266:history*; D010781:Photography / Q000266:history*; D012956:Societies, Nursing / Q000266:history*; D014481:United States