Resolution: standard / high
Figure 1.
Age stratification of response to the question "Have you heard of vitamin D?".
Kung and Lee BMC Public Health 2006 6:226 doi:10.1186/1471-2458-6-226
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Resolution: standard / high Figure 1.
Age stratification of response to the question "Have you heard of vitamin D?".
Kung and Lee BMC Public Health 2006 6:226 doi:10.1186/1471-2458-6-226 |