TY  - BOOK
ED  - World Health Organisation.
TI  - Biological substances: international standards and reference rea gents 1990 
SN  - 9241544295
PY  - 1991///
CY  - Geneva
PB  - WHO
KW  - Biological products
KW  - tables
KW  - Indicators and reagents
N1  - Includes index
ER  -