Development and validation of sunlight exposure measurement questionnaire (SEM-Q) for use in adult population residing in Pakistan
<p>Abstract</p> <p>Background</p> <p>Vitamin D deficiency has been identified as a major public health problem worldwide. Sunlight is the main source of vitamin D and its measurement using dosimeters is expensive and difficult for use in population-based studies. Hence,...
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| Main Authors: | , , , , , |
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| Format: | Book |
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BMC,
2012-06-01T00:00:00Z.
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