但是文章主要針對美國人在服用維他命D的比例過度服用和正常服用

但是文章主要針對美國人在服用維他命D的比例過度服用和正常服用

Results (English) 1:

But the article focuses on the proportion of Americans who take vitamin D excessively and normally

Results (English) 2:

But the article focuses on Americans taking vitamin D in proportion to overuse and normal use

Results (English) 3:

But the article focuses on the proportion of Americans who take vitamin D in excessive and normal use