passages.id: 69
passages.type: sentence
passages.text: The increase in plasma 6-keto-prostaglandin F1 alpha concentration was associated with an increase in serum HDL2 cholesterol concentration in the group taking regular exercise .
entities.id: 70
entities.type: intervention
entities.text: regular exercise
entities.id: 71
entities.type: outcome
entities.text: plasma 6-keto-prostaglandin F1 alpha concentration
entities.id: 72
entities.type: outcome
entities.text: serum HDL2 cholesterol concentration