Dietary vitamin C intake and lung function in rural China.
The relation between dietary vitamin C intake and pulmonary function was investigated in a cross-sectional study carried out in 69 counties in rural China in 1989. Within each of the 69 counties, 120 subjects aged 35-64 years were identified using a three-stage random clustering procedure. Each subj...
| Hoofdauteurs: | , , , , , |
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| Formaat: | Journal article |
| Taal: | English |
| Gepubliceerd in: |
1998
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