Table 3.

The top 10 countries/regions involved in osteoblasts-osteoclasts in bone disease research.

Rank	Country/region	Year	N(%)	Centrality
1	USA	2002	1132(24.76%)	1
2	PEOPLES R CHINA.	2008	738(16.15%)	0.22
3	JAPAN.	2007	375(8.20%)	0.08
4	GERMANY.	2008	246(5.38%)	0.24
5	SOUTH KOREA.	2008	230(5.03%)	0.02
6	ITALY.	2008	214(4.68%)	0.04
7	ENGLAND.	2007	188(4.11%)	0.17
8	AUSTRALIA.	2008	159(3.48%)	0.15
9	FRANCE.	2008	135(2.95%)	0.19
10	CANADA	2002	97(2.12%)	0.09