title: Twenty years of progress. . . an editorial.
authors.forename: Robert E
authors.initials: RE
authors.lastname: Stewart
mesh_terms: D001186:Artificial Limbs / Q000266:history; D049673:History, 20th Century; D006801:Humans; D013997:Time Factors; D014481:United States; D014728:Veterans; D047789:World War II