Authors: N E Vinton; J R Heckenlively; S A Laidlaw; D A Martin; S R Foxman; M E Ament; J D Kopple Journal: Am J Clin Nutr Date: 1990-11 Impact factor: 7.045
Authors: J M Seddon; U A Ajani; R D Sperduto; R Hiller; N Blair; T C Burton; M D Farber; E S Gragoudas; J Haller; D T Miller Journal: JAMA Date: 1994-11-09 Impact factor: 56.272