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The top 10 countries/regions for publications and centrality in BHD research.
| No. | Country | Count (%) | Country | Centrality |
|---|---|---|---|---|
| 1 | USA | 250 (33.3%) | France | 0.54 |
| 2 | China | 99 (13.2%) | Italy | 0.53 |
| 3 | Japan | 96 (12.8%) | Spain | 0.52 |
| 4 | England | 56 (7.5%) | Netherlands | 0.39 |
| 5 | Italy | 53 (7.1%) | Canada | 0.33 |
