Question: is this a 2) strong advice, 1) weak advice 0) no advice?

(Safety and Efficacy Study of the Medtronic CoreValve(\xc2\xae) System in the Treatment of Symptomatic Severe Aortic Stenosis in High Risk and Very High Risk Subjects Who Need Aortic Valve Replacement; NCT01240902).
user
This is no advice
assistant