Surveillance of pneumococcal diseases in Central and Eastern Europe
Mehmet Ceyhan, Ron Dagan, Abdullah Sayiner, Liudmyla Chernyshova, Ener Çağrı Dinleyici, Waleria Hryniewicz, Andrea Kulcsár, Lucia Mad'arová, Petr Pazdiora, Sergey Sidorenko, Anca Streinu-Cercel, Arjana Tambić-Andrašević, Lyazzat Yeraliyeva