摘要:The Central Veterinary Laboratory, Weybridge, England, was requested by the WHO Expert Committee on Biological Standardization to obtain suitable material for an international standard for anti-canine-hepatitis serum and to arrange a collaborative assay. Eight laboratories in 7 countries assayed a batch of anti-canine-hepatitis serum against 3 test preparations. On the basis of the results obtained, the material has been established as the International Standard for Anti-Canine-Hepatitis Serum and the International Unit of Anti-Canine-Hepatitis Serum has been defined as the activity contained in 0.0796 mg of the International Standard. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (746K), or click on a page image below to browse page by page. 909 910 911 912 913 914 915 916