1. European Commission Summary of the 2011 annual reporting of serious adverse events and reactions for tissues and cells (data collected from 01/01/2010 to 31/12/2010) 2011 http://ec.europa.eu/health/blood_tissues_organs/docs/tissues_cells_adverse_events_2011_en.pdf
2. European Commission Summary of the 2012 annual reporting of serious adverse events and reactions (sare) for blood and blood components (data collected from 01/01/2011 to 31/12/2011) 2012 http://ec.europa.eu/health/blood_tissues_organs/docs/blood_sare_2012_en.pdf
3. European Commission Summary of the 2013 annual reporting of serious adverse events and reactions (sare) for blood and blood components (data collected from 01/01/2012 to 31/12/2012) 2013 http://ec.europa.eu/health/blood_tissues_organs/docs/blood_sare_2013_en.pdf
4. Serious Hazards of Transfusion Annual Reports and Summaries http://www.shotuk.org/shot-reports/
5. Blood supply under threat;Semenza;Nat Clim Chang,2013