Factors related to on-treatment platelet aggregation assessed by multiple electrode aggregometry in percutaneous coronary intervention patients on clopidogrel and aspirin oleh Krzysztof Kukula, Mariusz Klopotowski, Joanna Was, Aleksandra Wrobel, Jacek Jamiolkowski, Artur Debski, Pawel Bekta, Zbigniew Chmielak, Adam Witkowski