Authors
Andrzej Szyszka
Department of Cardiology, Medical University in Poznan, Poznan, Poland
Edyta Płońska-Gościniak
Department of Cardiology, Pomeranian Medical University, Szczecin, Poland
© 2019 Andrzej Szyszka, Edyta Płońska-Gościniak, published by MEDICAL COMMUNICATIONS Sp. z o.o.
This work is licensed under the Creative Commons Attribution 4.0 License.