From: Research trends of acupuncture therapy on insomnia in two decades (from 1999 to 2018):a bibliometric analysis
Rank
Country/Region
Freq
Institute
1
PEOPLES R CHINA
120
Univ Hong Kong
29
2
USA
70
Hong Kong Polytech Univ
13
3
TAIWAN
20
Hong Kong Baptist Univ
8
4
ENGLAND
12
Guangzhou Univ Chinese Med
5
SOUTH KOREA
9
China Med Univ
7