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Hematopoietic progenitors are infected with feline leukemia virus and erythroid burst-forming cells are uniquely sensitive to heterologous complement. <i>J Clin Invest<\/i> 80: 1056\u20131063.","DOI":"10.1172\/JCI113160"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Benedetti F, de Sabata D, Perona G.  1994. T suppressor activated lymphocytes (CD8+\/DR+) inhibit megakaryocyte progenitor cell differentiation in a case of acquired amegakaryocytic thrombocytopenic purpura. <i>Stem Cells<\/i> 12: 205\u2013213.","DOI":"10.1002\/stem.5530120209"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Bianco D, Armstrong PJ, Washabau RJ.  2008. Presumed primary immune-mediated thrombocytopenia in four cats. <i>J Feline Med Surg<\/i> 10: 495\u2013500.","DOI":"10.1016\/j.jfms.2008.01.003"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Black V, Adamantos S, Barfield D, Tasker S.  2016. 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