WHO Expert Committee on Biological Standardization : sixtieth report /
World Health Organization.
- 1 online resource (241 pages).
- WHO technical report series, 977 0512-3054 ; .
- Technical report series (World Health Organization) ; 977. .
"This report contains the collective views of an international group of experts and does not necessarily represent the decision or the stated policy of the World Health Organization"--T.p.