Maternal caffeine consumption during pregnancy and the risk of miscarriage: a prospective cohort study.
Prospective study of serum selenium concentrations and esophageal and gastric cardia cancer, heart disease, stroke, and total death.
Selenium in Intensive Care (SIC): Results of a prospective randomized, placebo-controlled, multiple-center study in patients with severe systemic inflammatory response syndrome, sepsis, and septic shock *.
An increase in selenium intake improves immune function and poliovirus handling in adults with marginal selenium status.