[Nutritional status of vitamin A and carotenes in miners and lung cancer patients].
Luo
X N
XN
D000368:Aged; D002338:Carotenoids / Q000097:blood*; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood*; D008297:Male; D008875:Middle Aged; D008906:Mining; D014001:Tin; D014801:Vitamin A / Q000097:blood*
D014801:Vitamin A; D002338:Carotenoids; D014001:Tin