Witte, L S, el Bouziani, A, Straver, B, Koch, K T, Beijk, M A M, Caesar, L, Tijssen, J G P, Bouma, B J & de Winter, R J 2022, ' Atrial Right-to-Left Shunting Does Not Predict PFO Orifice Area in Patients Undergoing Percutaneous PFO Closure ', JACC Cardiovascular Interventions, vol. 15, no. 21, pp. 2231-2233 . https://doi.org/10.1016/j.jcin.2022.05.014 JACC Cardiovascular Interventions, 15(21), 2231-2233. Elsevier Inc. JACC. Cardiovascular interventions, 15(21), 2231-2233. Elsevier Inc.