12. Abbreviations

BIPM

International Bureau of Weights and Measures (Bureau international des poids et mesures)

ICTNS

Interdivisional Committee on Terminology, Nomenclature and Symbols (of IUPAC)

IEC

International Electrotechnical Commission

IFCC

International Federation of Clinical Chemistry

ISO

International Organization for Standardization

IUBMB

International Union of Biochemistry and Molecular Biology

IUCr

International Union of Crystallography IUNS International Union of Nutritional Sciences

IUNS

International Union of Nutritional Sciences

IUPAC

International Union of Pure and Applied Chemistry

IUPAP

International Union of Pure and Applied Physics

IUPHAR

International Union of Pharmacology

OIML

International Organization of Legal Metrology (Organisation Internationale de Métrologie Légale)

WHO

World Health Organization