World Health Organization. WHO Expert Committee on biological standardization: Sixty-fourth meeting report.
Cita Chicago (17th ed.)World Health Organization. WHO Expert Committee on Biological Standardization: Sixty-fourth Meeting Report.
Cita MLA (8th ed.)World Health Organization. WHO Expert Committee on Biological Standardization: Sixty-fourth Meeting Report.
Atenció: Aquestes cites poden no estar 100% correctes.