Changes in the disparities in chronic disease during the course of the twentieth century /
Robert W. Fogel.
APA Citation
Fogel, R. William., National Bureau of Economic Research. (2004). Changes in the disparities in chronic disease during the course of the twentieth century. Cambridge, Mass.: National Bureau of Economic Research.
MLA Citation
Fogel, Robert William, and National Bureau of Economic Research. Changes In the Disparities In Chronic Disease During the Course of the Twentieth Century. Cambridge, Mass.: National Bureau of Economic Research, 2004.
Warning: These citations may not always be complete (especially for serials).