Arthritis: Changes in Its Prevalence during the Nineteenth and Twentieth Centuries

Paula Canavese and Robert W. Fogel, Health at Older Ages: The Causes and Consequences of Declining Disability among the Elderly (University of Chicago Press, 2009), chap. 2, https://www.nber.org/books-and-chapters/health-older-ages-causes-and-consequences-declining-disability-among-elderly/arthritis-changes-its-prevalence-during-nineteenth-and-twentieth-centuries.