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标题：The second international reference preparation of lymecycline
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作者：J. W. Lightbown ; A. H. Thomas ; I. L. Berryman 等
期刊名称：Bulletin of the World Health Organization
印刷版ISSN：0042-9686
出版年度：1973
卷号：48
期号：1
页码：81-84
语种：English
出版社：World Health Organisation
摘要：The second International Reference Preparation of Lymecycline was established. Nine laboratories in 8 countries collaborated in assaying its potency in terms of the first International Reference Preparation, of which stocks had become exhausted. The best estimate of potency was taken to be 948 IU/mg, which was the unweighted geometric mean of a total of 124 assays. On this basis, the International Unit of lymecycline was defined as the activity contained in 0.0010548 mg of the second 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 (447K), or click on a page image below to browse page by page. 81 82 83 84