1. Public Health Agency of Canada Transfusion transmitted injuries. Noninfectious adverse events of transfusion: posttransfusion purpura (PTP) 2009 http://www.phac-aspc.gc.ca/hcai-iamss/tti-it/noninfec-eng.php#ptp
2. Serious Hazards of Transfusion Steering Group Annual Serious Hazards of Transfusion (SHOT) report 2011 2012 http://www.shotuk.org/wp-content/uploads/2012/07/SHOT-ANNUAL-REPORT_FinalWebVersionBookmarked_2012_06_22.pdf
3. Post-transfusion purpura;Gonzalez;Curr Hematol Rep,2005
4. Diagnosis, treatment, and reporting of adverse effects of transfusion;Torres;Lab Med,2012