Carotenoid intakes and risk of breast cancer defined by estrogen receptor and progesterone receptor status: a pooled analysis of 18 prospective cohort studies.

Inverse association between serum concentrations of neopterin and antioxidants in patients with and without angiographic coronary artery disease.

Carotenoid intake and risk of colorectal adenomas in a cohort of male health professionals.

Semen quality in relation to antioxidant intake in a healthy male population.

Natural therapies for ocular disorders, part two: cataracts and glaucoma.