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Figure 10: Occipital Injection Sites, reprinted with permission. The occipital protuberance (black triangle) is used as a landmark to identify the GON. The GON (black ovals), GON tail (black squares), LON (gray ovals), and LON tails (gray squares) are shown in this image. The third occipital nerve (white circles) is not routinely injected, as it is not often involved in headache pathology

Figure 10: Occipital Injection Sites, reprinted with permission. The occipital protuberance (black triangle) is used as a landmark to identify the GON. The GON (black ovals), GON tail (black squares), LON (gray ovals), and LON tails (gray squares) are shown in this image. The third occipital nerve (white circles) is not routinely injected, as it is not often involved in headache pathology