WHO Expert Committee on Biological Standardization fifty-sixth report. [electronic resource] :
- Geneva : World Health Organization, 2007.
- x, 340 p. : ill. ; 24 cm.
- WHO technical report series, 941 0512-3054 ; .
- Technical report series (World Health Organization) ; 941. .
Includes bibliographical references.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2010. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.