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Footnotes
From the Nelson Morris Memorial Institute for Medical Research of the Michael Reese Hospital, Chicago, Ill., aided by the Otto Baer Fund.
Contributor Information
Leo M. Zimmerman, Chicago
Katharine M. Howell, Chicago



















From the Nelson Morris Memorial Institute for Medical Research of the Michael Reese Hospital, Chicago, Ill., aided by the Otto Baer Fund.
Leo M. Zimmerman, Chicago
Katharine M. Howell, Chicago