CLINICAL OUTCOMES IN NONAGENARIANS UNDERGOING A PERCUTANEOUS CORONARY INTERVENTION: DATA FROM THE ORPKI POLISH NATIONAL REGISTRY 2014-2016 СтатьяTokarek T., Krycinska R., Siwiec A., Dudek D., Dziewierz A., Rakowski T., Siudak Z.Coronary Artery Disease. Том 29. 2018. С. 573-578