Global trends in research related to sleeve gastrectomy: A bibliometric and visualized study

Figure 1 Number of publications on sleeve gastrectomy per year (2001-2020).

Figure 2 Network visualization map of research collaboration between the top 45 active countries. Each country has a contribution of 20 documents at least.

Figure 3 Network visualization map of the most frequent terms in the title and abstracts of the retrieved literature. Of the 72684 terms, 305 terms have occurred at least 100 times. The network visualization term map for sleeve gastrectomy research undertaken globally over the 20 years.

Figure 4 Distribution of terms according to the mean frequency of appearance; terms in blue appeared earlier than those in yellow-colored terms appeared later.