Vitamin D levels in Singapore, which is on the equator
Total 25-OH vitamin D concentrations in Chinese, Malays and Indians.
Ann Lab Med. 2013 Mar;33(2):156-8. doi: 10.3343/alm.2013.33.2.156
Hawkins R.

PDF is attached at the bottom of this page
Ann Lab Med. 2013 Mar;33(2):156-8. doi: 10.3343/alm.2013.33.2.156
Hawkins R.

PDF is attached at the bottom of this page