Optimizing sensitivity of serum retinol and alpha-tocopherol assay.
F S
FS
Ibarra
M
M
Zeigler
J L
JL
Rudy
J C
JC
Argyle
D006801:Humans; D014801:Vitamin A / Q000097:blood*; D014810:Vitamin E / Q000097:blood*
D014801:Vitamin A; D014810:Vitamin E