TREASURY DEPARTMENT
UNITED STATES PUBLIC HEALTH SERVICE
HUGH S. CUMMING, Surgeon General
ITS RELATION TO PUBLIC HEALTH, ITS HABITS AND LIFE HISTORY, AND METHODS OF CONTROL
REPRINT No. 626
FROM THE
PUBLIC HEALTH REPORTS
December 10, 1920
(Pages 2964–2970)
[Revised edition, 1924]
WASHINGTON
GOVERNMENT PRINTING OFFICE
1924