Environmental factors in infancy and ulcerative colitis in the Central South of Chile: A case–control study
| Autor: | Boneberger, Anja a, Weiss, Eduardo Hebel b, Calvo, Mario c, Torres, Lilibeth a, Wagner, Johanna a, Kabesch, Michael d, Radon, Katja a, ⁎ |
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| Zdroj: | In Journal of Crohn's and Colitis October 2011 5(5):392-396 |
| Databáze: | ScienceDirect |
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