25-Hydroxyvitamin D variability within-person due to diurnal rhythm and illness: a case report
Abstract Background Vitamin D nutrition research requires accurate measures of circulating 25-hydroxyvitamin D. Our objectives were to test whether a diurnal fluctuation in blood-spot concentrations of 25-hydroxyvitamin D can be demonstrated statistically in a single individual, and whether such flu...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2019-02-01
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| Series: | Journal of Medical Case Reports |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s13256-018-1948-9 |