TY  - BOOK
ED  - World Health Organization
TI  - WHO expert committee on biological standardization: Fifty-seventh report 
SN  - 978-92-4-120962-5
PY  - 2011///
CY  - Geneva
PB  - World Health Organization
KW  - Biological products
KW  - standards
KW  - Vaccines
KW  - Reference standards
KW  - Guidelines
N1  - Includes bibliographical references
ER  -