Dual Stimulus-Dependent Effect of<i>Oenothera paradoxa</i>Extract on the Respiratory Burst in Human Leukocytes: Suppressing for<i>Escherichia coli</i>and Phorbol Myristate Acetate and Stimulating for Formyl-Methionyl-Leucyl-Phenylalanine
Oxidative medicine and cellular longevity