TY  - BOOK
TI  - Biological substances: international standards and reference reagents 1990
SN  - 9241544295
U1  - 547.70218 
PY  - 1991///
CY  - Geneva
PB  - WHO
KW  - BIOLOGICAL PRODUCTS
KW  - Biological Products-tables
KW  - Indicators and reagents-tables
UR  - http://apps.who.int/iris/handle/10665/37045
ER  -