Twentieth report
By: WHO Expert Committee on Biological Standardization
Series: World Health Organization technical report series -- no. 384; Technical report series (World Health Organization) -- 384.
Publisher: World Health Organization
Published: 1968
Place of publication: Geneva
Language: eng
Number of pages: 100
Copyright date: 1968
Subjects: Biological Factors; Standards; Anti-Bacterial Agents; Antigens
Notes: Includes bibliographical references.