Low vitamin D concentrations found in study of Asian children was not function of analytical method.
Lawson
M
M
D001208:Asia / Q000208:ethnology; D002648:Child; D004739:England; D006801:Humans; D011933:Reagent Kits, Diagnostic; D013473:Sunscreening Agents; D014807:Vitamin D / Q000378:metabolism*
D011933:Reagent Kits, Diagnostic; D013473:Sunscreening Agents; D014807:Vitamin D