Arnlöv J, Zethelius B, Risérus U, Basu S, Berne C, Vessby B et al.. Serum and dietary beta-carotene and alpha-tocopherol and incidence of type 2 diabetes mellitus in a community-based study of Swedish men: report from the Uppsala Longitudinal Study of Adult Men (ULSAM) study. Diabetologia 52, 97-105