Estimation of the dietary requirement for vitamin D in healthy adultsKevin D. Cashman, Máiréad Kiely, Kelly M. Seamans et al.|American Journal of Clinical Nutrition|2008Cited by 247
Estimation of the dietary requirement for vitamin D in free-living adults ≥64 y of ageKevin D. Cashman, Máiréad Kiely, Julie Wallace et al.|American Journal of Clinical Nutrition|2009Cited by 167