@Article{127119, author = "Ɓukasz Grzejdziak", title = "Mr Hoefner, Mr Elser, Please Welcome to Poland. Some Comments on the Polish Healthcare System Reform from the Perspective of State Aid Law ", year = 2011, volume = 4 (5), number = , journal = Yearbook of Antitrust and Regulatory Studies, pages = s. 85-109, }