Retrospective Analysis of Six Years of Acute Flaccid Paralysis Surveillance and Polio Vaccine Coverage Reported by Italy, Serbia, Bosnia and Herzegovina, Montenegro, Bulgaria, Koso... oleh Stefano Fontana, Gabriele Buttinelli, Stefano Fiore, Concetta Amato, Marco Pataracchia, Majlinda Kota, Jela Aćimović, Mia Blažević, Mirsada Mulaomerović, Lubomira Nikolaeva-Glomb, Andreas Mentis, Androniki Voulgari-Kokota, Luljeta Gashi, Pranvera Kaçaniku-Gunga, Christopher Barbara, Jackie Melillo, Jelena Protic, Svetlana Filipović-Vignjevic, Patrick M. O’Connor, Alessandra D’Alberto, Riccardo Orioli, Andrea Siddu, Eugene Saxentoff, Paola Stefanelli