@misc{indiciae373cf9904455, title = {[Echo-hemodynamic correlations in ostium secundum-type interatrial defects].}, author = {B Dander and G Frapporti and C Buonanno and E Arbustini and G C Salazzari}, year = {1981}, url = {https://pubmed.ncbi.nlm.nih.gov/7349221/}, note = {Source identifier: 7349221} }