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Validation of two food frequency questionnaires for dietary calcium assessment
Easily utilized questionnaires estimating dietary calcium intake would be a valuable asset to promoting skeletal health and a helpful research tool. Two calcium questionnaires, one online and one printed, were each compared to dietary calcium intake measured by a three-day diet record. Women complet...
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| Main Authors: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2009
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2760411/ https://ncbi.nlm.nih.gov/pubmed/19559142 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jada.2009.04.018 |
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