TY  - BOOK
AU  -  World Health Organization 
TI  - WHO expert committee on biological standardization: 52nd report
SN  - 92 4 120924 0
U1  - SERIALS 
PY  - 2004///
CY  - Geneva
PB  - W H O
KW  - Vaccines -Standards
KW  - Biological Products -Standards
N2  -  Biological Products -Standards, Vaccines -Standards
ER  -