Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden
The Effect of a Meal on Vitamin D Absorption
|3||Active, not recruiting||
Vitamin D Deficiency in Subjects With Chronic Hepatitis C Compared to Healthy Volunteers
Vitamin D and Osteoporosis Prevention in Elderly African American Women
† Study has passed its completion date and status has not been verified in more than two years.