TY  - BOOK
AU  - 
AU  - 
TI  - WHO expert committee on biological standardization: 50th report
SN  - 92-4-120904-6
U1  - 57(083.74) 
PY  - 2002///
CY  - Geneva
PB  - World Health Organisation
KW  - Vaccines- production and control
KW  - Polimyelilis vaccine
KW  - Polysaccharide vaccine
KW  - Biological products- standards
KW  - vaccines- standards
KW  - Blood
KW  - Cytokines- standards
KW  - Reference- standards
ER  -