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Table 2 Search strategy used in PubMed

From: Herbal medicine Shaofu Zhuyu decoction for primary dysmenorrhea: a systematic review protocol

Number

Search items

1 Related to intervention

少腹逐瘀汤

2

Shaofu Zhuyu decoction

3

Shaofu Zhuyu formula

4

Shaofu Zhuyu tang

5

1 or 2–5

6 Related to disease

Dysmenorrhea

7

Menstruation disturbances

8

Menstrual disorder

9

Pelvic pain

10

Painful menstruation

11

Painful period

12

Period pain

13

Primary dysmenorrhea

14

7 or 8–14

15 Related to study design

Randomized controlled trial

16

Controlled clinical trial

17

Randomized

18

Placebo

19

Drug therapy

20

Randomly

21

Trial

22

Groups

23

#15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22

24

Animals NOT humans

25

#23 NOT #25

  1. Any words containing this searching item will be searched. This search strategy will be suitable for other electronic databases