Nienaber, Christoph A. Niessner, Alexander Nieszporek, Teresa Nieuwland, Rienk Niewada, Maciej Niewada, Maciej, Medical University of Warsaw Niewada, Maciej (Poland) Niewada, Maciej, Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Poland Niewada, Maciej, Department of Experimental and Clinical Pharmacology Medical University of Warsaw, Warsaw, Poland HealthQuest, Warsaw, Poland Niewada, Maciej, Department of Experimental and Clinical Pharmacology, Medical University of Warsaw Niewada, Maciej, Department of Experimental and Clinical Pharmacology, Medical University of Warsaw (Poland) Niewada, Maciej, Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Warsaw Niewada, Maciej Niewada, Maciej Niewiadomska, Julita Niewiadomska-Jarosik, Katarzyna, Department of Pediatric Cardiology and Rheumatology, 2nd Chair of Pediatrics, Medical University of Lodz Niewiadomski, Wiktor Niewiara, Łukasz, Interventional Cardiology Clinic, Jagiellonian University, Medical College, John Paul II Hospital, Krakow, Poland Niewiara, Łukasz Niewiara, Łukasz (Poland) Niewiara, Łukasz Niewiem, Alfred, Department of General and Vascular Surgery, Medical University of Silesia, Katowice, Poland Niewiński, Piotr Niewiński, Piotr (Poland) Niezgoda, Piotr