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Co-citation clustering of literature on AI research in spinal cord neural injury and restoration. (A) Literature co-citation clustering diagram for AI in spinal cord neural injury and restoration; (B) Literature co-citation clustering diagram for research hotspots in the last 5 years (2020–2024). The clusters’ color represents the year of the first co-citation relationship, The nodes represent the cited publications, and their size represents the number of times.
