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Watson HG, Keeling DM, Laffan M, Tait RC, Makris M; British Committee for Standards in Haematology.Watson HG, et al. Among authors: keeling dm.Br J Haematol. 2015 Sep;170(5):640-8. doi: 10.1111/bjh.13556. Epub 2015 Jun 26.Br J Haematol. 2015.PMID: 26114207Free article.