| WHO | World Health Organization |
| CT | Computed Tomography |
| COCIR | European Trade Association representing the medical imaging, radiotherapy, health and electromedical industries |
| LEA | Essential Levels of Assistance |
| ISTAT | Istituto Nazionale di Statistica |
| VODI | Value of diagnostic information |
| LDR | Level of Reference |
| ISS | Superior Institute of Healthcare |
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