IOM:Dietary Reference Intakes for Calcium and Vitamin D
Dietary Reference Intakes for Calcium and Vitamin D
是有争议,但 CDC: Only 8 Percent Of Americans Vitamin D Deficient:
http://www.cdc.gov/nchs/data/databriefs/db59.htm#ref1
是有争议,但 CDC: Only 8 Percent Of Americans Vitamin D Deficient:
http://www.cdc.gov/nchs/data/databriefs/db59.htm#ref1