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. 2023 Jan 28;16:269–285. doi: 10.2147/JPR.S396083

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© 2023 Liu et al.

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The country distribution (A) and international collaboration (B) of publications in the field of dysmenorrhea. The thicker the line, the higher the frequency of cooperation. International collaboration in dysmenorrhea-related research has not been extensive. The collaborations were mainly clustered in US-Europe and US-China.