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| 100 | 1 | _aRivas-Ruiz, Rodolfo | |
| 245 | 0 | 0 |
_a[Clinical research XVII. χ(2) test, from the expected to the observed]. _h[electronic resource] |
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_bRevista medica del Instituto Mexicano del Seguro Social _c |
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_a552-7 p. _bdigital |
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| 500 | _aPublication Type: English Abstract; Journal Article | ||
| 650 | 0 | 4 | _aBiomedical Research |
| 650 | 0 | 4 | _aChi-Square Distribution |
| 700 | 1 | _aCastelán-Martínez, Osvaldo D | |
| 700 | 1 | _aPérez, Marcela | |
| 700 | 1 | _aTalavera, Juan O | |
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_tRevista medica del Instituto Mexicano del Seguro Social _gvol. 51 _gno. 5 _gp. 552-7 |
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