Table 1 Search strategy (herbal medicine)

#1

"lung neoplasms"[MeSH Terms]

#2

"carcinoma, non-small-cell lung"[MeSH Terms]

#3

"Lung"[Title/Abstract]

#4

"cancer*"[Title/Abstract] OR "tumor"[Title/Abstract] OR "carcinoma"[Title/Abstract] OR "neoplasm*"[Title/Abstract]

#5

#3 AND #4

#6

#1 OR #2 OR #5

#7

"Herbal Medicine"[MeSH Terms]

#8

"drugs, Chinese herbal"[MeSH Terms]

#9

“medicine, traditional"[MeSH Terms]

#10

"medicine, Korean traditional"[MeSH Terms]

#11

"medicine, Chinese traditional"[MeSH Terms]

#12

"Herbal Medicine"[Title/Abstract] OR "herb*"[Title/Abstract] OR "prescription"[Title/Abstract] OR "decoction"[Title/Abstract] OR "tang"[Title/Abstract] OR "capsule"[Title/Abstract] OR "powder"[Title/Abstract] OR "botanic*"[Title/Abstract]

#13

#7 OR #8 OR #9 OR #10 OR #11 OR #12

#14

"randomized controlled trial"[Publication Type]

#15

"controlled clinical trial"[Publication Type]

#16

"randomized"[Title/Abstract]

#17

"RCT"[Title/Abstract]

#18

"random*"[Title/Abstract] AND "allocat*"[Title/Abstract]

#19

"random*"[Title/Abstract] AND "assign*"[Title/Abstract]

#20

#14 OR #15 OR #16 OR #17 OR #18 OR #19

#21

#6 AND #13 AND #20