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1Department of Internal Medicine, Medical School, University of Michigan, Ann Arbor
2
Upjohn Fellow in Clinical Research, 1938-1940.
3
Upjohn Fellow in Clinical Research, 1937-1940.
1
This paper was presented in part before the Central Society for Clinical Research November 3, 1939, at Chicago. The expense of this investigation was defrayed by grants from the Upjohn Company, Kalamazoo, and from the Horace H. Rackham School of Graduate Studies, University of Michigan, Ann Arbor.