Paitazoglou C, Bergmann MW, Ozdemir R, Pfister R, et al. One-year results of the first-in-man study investigating the
Atrial-Flow-Regulator for left-atrial shunting in symptomatic heart failure
patients: the PRELIEVE study. Eur J Heart Fail 2021 Feb 8. doi: 10.1002/ejhf.2119.
PMID: 33555114