Print version: WHO Expert Committee on Biological Standardization : sixty-first report. Geneva : World Health Organization, [2013] xi, 384 pages ; 24 cm WHO Technical Report Series ; 978 ISBN 9789241209786
"The WHO Expert Committee on Biological Standardization (ECBS) met in Geneva from 18 to 22 October 2010"--Introduction
"This report contains the collective views of an international group of experts and does not necessarily represent the decisions or the stated policy of the World Health Organization."