In medical studies, the efficacy of medical treatments (called interventions) is evaluated within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that describe the intervention(s) of the study. You should list the phrase in the same order that they appear in the text, separated by commas. If no information about the interventions is mentioned, just answer with "not found". Interventions are: a specific drug, surgery, talking therapy, a lifestyle modification, control or placebo treatment. Do not include details, dosages, frequency and duration, intervention mentions that are not in an informative span of text.

[EX Q]: In assessing the acute functional effect of bronchodilators , ΔsRAW-based criterion is preferable to FEV1-FVC-based criteria , being more closely related to bronchodilator-induced improvements of lung mechanics and dyspnea at rest .
[EX A]: not found

[EX Q]: In conclusion , in 60-year-old subjects antioxidant supplementation had no effect on the exercise-induced increase in oxidative stress as measured by free radical products of antipyrine .
[EX A]: antioxidant supplementation

[EX Q]: The 2 groups were comparable in terms of age , sex , symptoms and ipsilateral glomerular filtration rate .
[EX A]:
not found

