1. International Haemovigilance Network http://www.ihn-org.com
2. Haemovigilance and transfusion safety in France;Rouger;Vox Sang,2000
3. Serious Hazards of Transfusion (SHOT) UK SHOT organization http://www.shotuk.org
4. Transfusion and Transplantation Reactions in Patients http://www.tripnet.nl
5. Haemovigilance Module, Biovigilance component Centers for Disease Control and Prevention USA http://www.cdc.gov/nhsn/PDFs/hemovigModuleProtocol_current.pdf