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| 100 | _aWORLD Health Organization | ||
| 245 | _aWHO expert committee on biological standardization | ||
| 260 |
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| 300 | _a72 p. | ||
| 440 | _aWHO Technical report series 565 | ||
| 650 | _aBiological standardization | ||
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_a WHO Technical report series _9119263 |
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