First, we identified the top 30 keywords with significantly strong citation bursts in international publications; the top 5 keywords were 5q13, Werdnig Hoffmann disease, deletions, SMN gene, and molecular analysis, with corresponding strength indices of 35.21, 27.85, 54.91, 26.64, and 19.49, respectively (Fig. 5J). The gene discussed is SMN1; the disease is spinal muscular atrophy, type 1.