WHO Expert Committee on Biological Standardization : fifty-fifth report / World Health Organization. - Geneva : World Health Organization, 2005. - vi, 137 p. ; 20 cm. - WHO Technical Report Series 932 0512-3054 . Includes bibliographical references ISBN: 92-4-120932-1 Subjects--Topical Terms: Biological products--standardsImmunologic factors--standardsBloodReagent kits, Diagnostic--standardsReference standardsGuidelines