@article{Schafler_2018, title={Dislocated amplatzer occluder in the left atrium surgical retraction and pfo closure}, volume={1}, url={http://surgjournal.ru/index.php/BISSA/article/view/53}, number={1}, journal={Bulletin of the International Scientific Surgical Association}, author={Schafler, A.}, year={2018}, month={май}, pages={22} }