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| 264 | 0 | _c19660224 | |
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_aNLM _beng _cNLM |
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| 100 | 1 | _aPayne, A M | |
| 245 | 0 | 0 |
_a[Some principles of epidemiology]. _h[electronic resource] |
| 260 |
_bBoletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau _cDec 1965 |
||
| 300 |
_a489-91 p. _bdigital |
||
| 500 | _aPublication Type: Journal Article | ||
| 650 | 0 | 4 | _aEpidemiology |
| 650 | 0 | 4 | _aHumans |
| 773 | 0 |
_tBoletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau _gvol. 59 _gno. 6 _gp. 489-91 |
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_c4226609 _d4226609 |
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