Table 9.

Cluster summary of keywords time line view.

Cluster ID	Size	Silhouette	Mean (Year)	Cluster lable
0	175	0.568	2008	fatty acid oxidation
1	155	0.587	2009	angiogenesis
2	152	0.642	1995	monoclonal antibody
3	139	0.562	2003	reperfusion injury
4	119	0.693	2002	oxidative stress
5	116	0.677	1999	near-infrared spectroscopy
6	38	0.881	2008	injury
7	22	0.903	2001	creatine kinase
8	6	0.973	1998	protein synthesis
9	3	0.987	2016	strength training