摘要：The WHO Expert Committee on Biological Standardization requested the Central Veterinary Laboratory, Weybridge, England, to arrange a collaborative assay of material they had prepared to determine its suitability to serve as an international reference preparation of anti-Mycoplasma gallisepticum serum. Fourteen laboratories in eight countries performed comparative assays of the proposed reference preparation together with 3 immune sera from fowls. On the basis of the results obtained, the Committee established the preparation as the International Reference Preparation of Anti-Mycoplasma gallisepticum Serum and defined the International Unit as the activity contained in 0.0556 mg of the International Reference Preparation. 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 (1.5M), or click on a page image below to browse page by page. 219 220 221 222 223 224 225 226 227 228 229 230 231 232
