TREASURY DEPARTMENT 
Public Health and Marine-Hospital Service of the United States 
HYGIENIC LABORATORY.— BULLETIN Nc, 56 
March, 1909 
MILK AND ITS RELATION TO THE 
PUBLIC HEALTH 
[Revised and enlarged edition of Bulletin No. 41] 
(BY VARIOUS AUTHORS) 
(SECOND EDITION) 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1912 
