text: Antioxidant supplementation and exercise-induced oxidative stress in the 60-year-old as measured by antipyrine hydroxylates .
entities.text: Antioxidant supplementation
entities.type: intervention
entities.text: antipyrine hydroxylates
entities.type: intervention
entities.text: exercise-induced oxidative stress
entities.type: outcome
entities.text: the 60-year-old
entities.type: participant