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2. 2 American Association of Blood Banks : Standards for Blood Banks and Transfusion Services , 23rd edn . Bethesda, American Association of Blood Banks, 2005 : 26
3. 3 Guidelines for Blood Transfusion Services in the UK , 6th edn . London, TSO, 2002 : 98
4. 5 Richtlinien zur Blutgruppenbestimmung und Bluttransfusion (Hamotherapie) Deutscher, Arzte-Verlag, 1996 : 74