iv CONTRIBUTORS TO VOLUME IV 



Joseph C. Aub, A.B., M.D. 



ASSISTANT PROFESSOR OF APPLIED PHYSIOLOGY, HARVARD MEDICAL SCHOOL; ASSOCIATE IN 

 MEDICINE, MASSACHUSETTS GENERAL HOSPITAL. 



Rollin T. Woodyatt, B.S., M.D. 



ASSOCIATE PROFESSOR OF MEDICINE RUSH MEDICAL COLLEGE, ATTENDING PHYSICIAN, THE 

 PRESBYTERIAN HOSPITAL; DIRECTOR OF THE OTHO S. A. SPRAGUE MEMORIAL INSTITUTE- 

 LABORATORY FOR CLINICAL RESEARCH, RUSH MEDICAL COLLEGE, CHICAGO. 



Isidor Greenwald, Ph.D. 



CHEMIST, HARBIMAN RESEARCH LABORATORY, ROOSEVELT HOSPITAL, NEW YORK. 



Herman 0. Mosenthal, M.D. 



ASSOCIATE PHYSICIAN, JOHNS HOPKINS UNIVERSITY, 1914-1918; ASSOCIATE IN MEDICINE, 

 COLLEGE OF PHYSICIANS AND SURGEONS, COLUMBIA UNIVERSITY, 1019-1920; ASSOCIATE 

 PROFESSOR AND ATTENDING PHYSICIAN, NEW YORK POST-GRADUATE MEDICAL SCHOOL AND 



HOSPITAL. 



Joseph H. Pratt, A.M., M.D. 

 Jacob Rosenbloom, B.S., M.D., Ph.D. 



FORMERLY ASSISTANT PROFESSOR OF BIOCHEMISTRY, UNIVERSITY OF PITTSBURGH; ASSO- 

 CIATE IN BIOCHEMISTRY, COLUMBIA UNIVERSITY, NEW YORK; ASSISTANT PATHOLOGIST, 

 GERMAN HOSPITAL, NEW YORK; BIOCHEMIST, WESTERN PENNSYLVANIA HOSPITAL, 



PITTSBURGH, PA. 



Max Kahn, M.A., Ph.D., M.D. 



CHIEF DEPARTMENT OF METABOLISM AND DIRECTOR OF LABORATORIES, BETH ISRAEL HOS- 

 PITAL, NEW YORK; ASSOCIATE IN BIOLOGICAL CHEMISTRY, COLLEGE OF PHYSICIANS AND 

 SURGEONS, COLUMBIA UNIVERSITY, NEW YORK. 



Francis W. Peabody, A.B., M.D. 



ASSOCIATE PROFESSOR OF MEDICINE, HARVARD MEDICAL SCHOOL; PHYSICIAN, PETEB BENT 



BRIGHAM HOSPITAL, BOSTON. 



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Edna Tompkins, B.A. 

 Samuel H. Hurwitz, A.B., A.M., M.D. 



ASSISTANT CLINICAL PROFESSOR OF MEDICINE, UNIVERSITY OF CALIFORNIA MEDICAL 

 SCHOOL, SAN FRANCISCO; PHYSICIAN-IN-CHIEF, MT. ZION HOSPITAL, SAN FRANCISCO, 



CALIFORNIA. 



Thomas R. Brown, A.B., M.D. 



ASSOCIATE PROFESSOR OF CLINICAL MEDICINE AND PHYSICIAN IN CHARGE GASTRO-INTES- 

 TINAL DISPENSARY, JOHNS HOPKINS HOSPITAL; A.B., JOHNS HOPKINS UNIVERSITY, 1892, 

 M.D., 1897; INSTRUCTOR AND ASSOCIATE IN CLINICAL MEDICINE, 1899-1919; RESIDENT 

 HOUSE OFFICER, 1897-1898 ;. ASSISTANT VISITING PHYSICIAN JOHNS HOPKINS HOSPITAL. 



