TY  - BOOK
AU  - World Health Organization
TI  - Biological substances : International standards and reference reagents 1990
SN  - 92-4-154429-5
U1  - 615 
PY  - 1991///
CY  - Geneva
PB  - World Health Organization
N1  - World Health Organization: Biological substances : International standards and reference reagents 1990.  Geneva.  World Health Organization, 1991. 92-4-154429-5--(615WOR)
ER  -