Columbia subject headings:
Harvard subject headings:
EOPYY (Ethnikos Organismos Parochēs Hypēresiōn Hygeias)
Health insurance--Greece--History--21st century.
Medical policy--Greece--History--21st century.
OPAD (Organismos Perithalpsēs Asphalismenōn Dēmosiou)
Princeton subject headings:
EOPYY (Ethnikos Organismos Parochēs Hypēresiōn Hygeias)
Health insurance--Greece--History--21st century.
Medical policy--Greece--History--21st century.
OPAD (Organismos Perithalpsēs Asphalismenōn Dēmosiou)