Kültürsay  N, Aşkar  N, Terek  D, Yeniel Özgür A, Köroğlu Altun Ö, Yalaz  M, Özkınay  F, Akısü  M. The Change of Perinatal Mortality Over Three Decades in a Reference Centre in the Aegean Region: Neonatal Mortality has decreased but Foetal Mortality Remains Unchanged. Balkan Med J 2017;34:553-558