摘要:Following a collaborative assay by five laboratories in four countries, an International Reference Preparation for Human Serum Immunoglobulin E has been established by the World Health Organization and international units have been assigned to it. 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 (296K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 320 321