Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleLetter to the editor: Level of protein s and essential thrombocythemia.AuthorsMazzucconi, M. G.; Chistolini, A.; Ferrari, A.; Arcieri, P.; Mandelli, F.PublicationAmerican Journal of Hematology, 1991, Vol 36, Issue 1, p73ISSN0361-8609Publication typeArticleDOI10.1002/ajh.2830360119