Visualization and Analysis of the Mapping Knowledge Domain of Acupuncture and Central Nervous System Cell Apoptosis

Table 1

All countries and regions involved in the field of acupuncture and antineuronal apoptosis.

Rank	Frequency	Centrality	Countries and regions	Year
1	137	0.5	China	2004
2	10	0	Taiwan	2007
3	6	0	South Korea	2004
4	4	0.29	USA	2004
5	2	0	Canada	2014
6	2	0	England	2018
7	2	0	France	2013
8	1	0	Iran	2019
9	1	0	Egypt	2015