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| 005 | 20210219152925.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000067317 | ||
| 100 | _aNeedleman, Herbert L | ||
| 222 | _aPHI DELTA KAPPAN | ||
| 245 | _aChildhood exposure to lead : a common cause of school failure | ||
| 300 | _a35-37 | ||
| 362 | _a74, No. 1, 1992 | ||
| 505 | _aEnero 1993 | ||
| 653 | 0 | _aENVENENAMIENTO CON PLOMO | |
| 653 | 0 | _aINFLUENCIAS AMBIENTALES | |
| 653 | 0 | _aNI\197OS JOVENES | |
| 653 | 0 | _aPERSONAS EN PELIGRO | |
| 653 | 0 | _aSALUD PUBLICA | |
| 904 |
_aAC _b005128 |
||
| 905 | _aArticulo | ||
| 999 |
_c63932 _d63932 |
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