A study of ragweed pollen extracts for use in the treatment of ragweed pollen hypersensitiveness
By: by Charles Armstrong and W. T. Harrison.
Contributors: Harrison, W. T.; United States. Public Health Service.
Publisher: Government Printing Office
Published: 1924
Place of publication: Washington
Language: eng
Subjects: Ragweeds.; Pollen extract.
Notes: Reprint No. 958 from the Public Health Reports, September 19, 1924.

At head of title : Treasury Department, United States Public Health Service.

Cover title.