Perk, Joep Perkowski, Piotr, AstraZeneca Pharma Poland Sp. z o.o. Perner, Anders Perone, Francesco Perrea, Despina N. Perreas, Konstantinos Perrier, Arnaud Pers, Michał, Department of Interventional Cardiology, Jagiellonian University Persic, Viktor, 1. Department of Cardiology, University Hospital “Thalassotherapia Opatija”, Medical Faculty University of Rijeka; Croatia 2. Department of Internal medicine, University hospital Osijek, Medical Faculty JJ Strossmayer University of Osijek; Croatia Persson, Anders Persson, Pontus Persu, Alexandre Pertyński, Tomasz Peruga, Jan Zbigniew, Department of Cardiology Medical University of Lodz Peruga, Jan Przemysław, Cardiac Catheterisation Laboratory, Cardiology Unit, Ludwik Perzyna Voivodship Regional Hospital, Kalisz, Poland Peruga, Jan Zbigniew, Chair and Department of Cardiology, Medical Univ. of Lodz Peruga, Jan Z., Medical University of Łódź Peruga, Jan Peruga, Jan Z. Peruga, Jan Z., Department of Cardiology, Medical University of Lodz, Lodz, Poland (Poland) Peruga, Jan Peruga, Jan Z. Peruga, Jan Z. Peruga, Jan Zbigniew Peruga, Jan Z