Birbach, Mariusz Birbach, Mariusz Birdal, Oguzhan, Ataturk University Faculty of Medicine Bireta, Christian, Department of Thoracic and Cardiovascular Surgery, University Hospital Goettingen, Goettingen, Germany Birkemeyer, Ralf, Department of Cardiology, University of Rostock Birkemeyer, Ralf Birnbaum, Julia Bis, Jarosław Bis, Jarosław Bis, Jarosław Bis, Josef Biskup, Piotr Bissessor, Naylin Bissinger, Andrzej Biswakes, Majumdar Biter, Halil Ibrahim Biyikoglu, Senay Funda Bjelaković, Bojko, Clinic of Paediatrics, Clinical Centre, Medical Faculty, University of Niš, Serbia Bjeljac, Ilija Bjerregaat, Preben Björck, Martin Bjornstad, Hans Bláha, Karel, Dept. of Cardiology, Regional Hospital Pardubice Faculty of Health Studies, University of Pardubice Blaha, Vaclav Blamek, Sławomir