TY  - BOOK
ED  - World Health Organization.
TI  - Biological substances: international standards and reference reagents : 1990
SN  - 9241544295
AV  - RA401 .B56 1991
PY  - 1991///
CY  - Geneva
PB  - World Health Organization
KW  - Biological assay
KW  - Standards
KW  - Biological products
KW  - Biological reagents
KW  - Drugs
N1  - Prepared by the WHO Expert Committee on Biological Standardization
ER  -