TY  - GEN
AU  - Hjortsberg, V.
ED  - World Health Organization. Division of Drug Management and Policies. ; WHO Collaborating Centre for Chemical Reference Substances.
TI  - WHO Collaborating Centre for Chemical Reference Substances : report on the work in 2003
PY  - 2004///
CY  - Geneva : 
PB  - World Health Organization
KW  - Pharmaceutical preparations
KW  - Standards
KW  - Reference standards
ER  -