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999 |
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100 | _aWORLD Health Organization | ||
245 | _aWHO expert committee on biological standardization | ||
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_aGeneva _bWHO _c1977 |
||
300 | _a133 p. | ||
440 | _aWHO Technical report series 610 | ||
650 | _aBiological standardization | ||
650 | 0 |
_a WHO Technical report series 610 _9119608 |
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