The immunity unit for standardizing diphteria antitoxin (based on Ehrlich's normal serum)
Subtitle: Official standard prepared under the act approved July 1, 1902. \
By: By M. J. Rosenau, director of the Hygienic laboratory.
Series: Bulletin (Hygienic Laboratory (U.S.)) ;; no. 21.
Publisher: Govt. print. off
Published: 1905
Place of publication: Washington
Language: eng
Number of pages: 92
Subjects: Diphtheria antitoxin.