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The search for EBV\u2010specific antibodies showed that NPC saliva contained neutralizing VCA and EA IgA (54 and 27% respectively) and VCA and EA IgG (73 and 54% respectively). Both transforming and non\u2010transforming throat washings contained virus particles as visualized by electron microscopy, but in non\u2010transforming salivas (containing IgA and IgG) the particles were found to be clumped. Comparative study of throat washings from patients with Burkitt's lymphoma (BL), infectious mononucleosis (IM), immunodeficiencies, other cancers, and healthy subjects showed that IgA were restricted to NPC cases.<\/jats:p>","DOI":"10.1002\/ijc.2910190506","type":"journal-article","created":{"date-parts":[[2007,2,19]],"date-time":"2007-02-19T16:25:22Z","timestamp":1171902322000},"page":"627-633","source":"Crossref","is-referenced-by-count":34,"title":["Neutralizing EBV\u2010specific IgA in throat washings of nasopharyngeal carcinoma (NPC) patients"],"prefix":"10.1002","volume":"19","author":[{"given":"C.","family":"Desgranges","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"De\u2010Th\u00e9","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. H. 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