Makis, Alexandros, Vasileios Grammeniatis, Charis Galati, Panagiota Kostara, Evangelia Petridou, Constantina Gartzonika, Athanasios Pappas, and Nikolaos Chaliasos. 2017. “Emerging Cases of Pertussis Among Early Infants Born to Unvaccinated Mothers, an Infectious Disease Long Absent in Northwestern Greece”. Mediterranean Journal of Hematology and Infectious Diseases 9 (1):e2017043. https://doi.org/10.4084/mjhid.2017.043.