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Hadziyannis SJ, Vassilopoulos D.Hadziyannis SJ, et al. Among authors: vassilopoulos d.Baillieres Best Pract Res Clin Gastroenterol. 2000 Apr;14(2):277-91. doi: 10.1053/bega.1999.0076.Baillieres Best Pract Res Clin Gastroenterol. 2000.PMID: 10890322Review.
Hadziyannis E, Manesis E, Vassilopoulos D, Georgiou A, Archimandritis A.Hadziyannis E, et al. Among authors: vassilopoulos d.Clin Vaccine Immunol. 2008 Feb;15(2):385-7. doi: 10.1128/CVI.00414-07. Epub 2007 Dec 12.Clin Vaccine Immunol. 2008.PMID: 18077614Free PMC article.