The frontier thesis. [Review of: Achenbaum WA. Crossing frontiers: gerontology emerges as a science. Cambridge University Press, 1995].
Berkowitz
E D
ED
D005853:Geriatrics / Q000266:history*; D006663:Historiography; D006666:History of Medicine; D049673:History, 20th Century; D013038:Specialization; D014481:United States