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Cancer of the gastrointestinal tract; environmental factors in alimentary cancer.
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group
1973
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2009038/ https://www.ncbi.nlm.nih.gov/pubmed/4724638 |