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Validation of a semi-quantitative food-frequency questionnaire for use among adults in Guatemala |
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| Authors: | Rodríguez Monica M Méndez Humberto Torún Benjamín Schroeder Dirk Stein Aryeh D |
| Institution: | Institute of Nutrition of Central America and Panama (INCAP), Guatemala City, Guatemala. |
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| 本文献已被 PubMed 等数据库收录！ | |