The international contribution to the standardization of biological substances. I. Biological standards and the League of Nations 1921-1946.
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Division of Communicable Diseases, World Health Organization, Geneva, Switzerland.
D001688:Biological Products / Q000266:history* / Q000592:standards*; D049673:History, 20th Century; D007390:International Agencies / Q000266:history*; D012015:Reference Standards
D001688:Biological Products