Ministernotomy or sternotomy in isolated aortic valve replacement? Early results - Filip, Grzegorz; Bryndza, Magdalena A.; Konstanty-Kalandyk, Janusz; Piatek, Jacek; Wegrzyn, Piotr; Ceranowicz, Piotr; Brzezinski, Maciej; Lakkireddy, Dhanunjaya; Kapelak, Boguslaw; Bartuś, Krzysztof (Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery, 2018)