Vitamin A and cancer.
D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood*; D008297:Male; D012177:Retinol-Binding Proteins / Q000378:metabolism; D012306:Risk; D014801:Vitamin A / Q000097:blood*; D015032:Zinc / Q000097:blood
D012177:Retinol-Binding Proteins; D014801:Vitamin A; D015032:Zinc