(Q24598040)
Statements
Association between serum 25-hydroxyvitamin D level and upper respiratory tract infection in the Third National Health and Nutrition Examination Survey (English)
0 references
23 February 2009
0 references
169
0 references
4
0 references
384-90
0 references
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference