Chinese Herbal Medicine in Treating Primary Sjögren’s Syndrome: A Systematic Review of Randomized Trials

Table 3

Search strategy.

Database	Search strategy
PubMed	“Sjögren’s syndrome” (mesh) and (“humans” (MeSH terms) and (meta-analysis (ptyp) OR randomized controlled trial (ptyp))
Cochrane Library	“Primary sjögren’s syndrome in record title in cochrane central register of controlled trials”
China Knowledge Resource Integrated Database (CNKI)	“Sjögren’s syndrome in record title AND random∗ in all text”
VIP Database for Chinese Technical Periodicals (VIP)	“Sjögren’s syndrome in record title AND random∗ in all text”
Wanfang Data	“Sjögren’s syndrome in record title AND random∗ in all text”
Chinese Biomedical Database (CBM)	“Sjögren’s syndrome in record title AND random∗ in all text”