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| 901 | 0 | 0 | _aENG |
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| 245 | 0 | 0 | _aMagnetic Fields Health and Safety Guide |
| 110 | 0 | 0 | _aWorld Health Organization |
| 440 | 0 | 0 | _aHealth and Safety Guide No. 27 |
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_aGeneva _bWorld Health Organization _c1989 |
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