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. 2018 Apr 13;104(22):1836–1842. doi: 10.1136/heartjnl-2018-312939

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Kaplan-Meier plots showing the probability of symptom-free survival according to the severity of aortic stenosis (AS) (A) and event-free survival according to symptoms during ETT in entire study population (B), moderate AS (C) and severe AS (D). ETT, exercise treadmill test.