Real world data from a multi-centre study on the effects of cilostazol on pain symptoms and walking distance in patients with peripheral arterial disease oleh Niki Katsiki, Nikolaos Tentolouris, Georgios Marakomichelakis, Dimitrios Richter, Athanasios Giannoukas, Panagiota Koufaki, Nikolaos Papanas, CI-WIN Investigators