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Fig. 3 | BMC Gastroenterology

Fig. 3

From: Global research trends in microbiome-gut-brain axis during 2009–2018: a bibliometric and visualized study

Fig. 3

Network visualization map for country collaboration. Of the 86 countries, 35 had at least ten publications; the largest set of connected countries consists of 34 countries. The size of frame represents the number of publications of the country and the thickness of lines signifies the size of collaboration between the countries, while 6 different colors seen in this figure represent the collaboration cluster of the countries

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