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Table 1 Search strategy in PubMed

From: Efficacy of combining oral Chinese herbal medicine and NB-UVB in treating psoriasis vulgaris: a systematic review and meta-analysis

Categories Search terms
Condition 1. Skin diseases, papulosquamous (MeSH)
2. Psoriasis (MeSH)
3. Psoriases
4. Pustulosis palmaris et plantaris
5. Palmoplantaris pustulosis
6. Pustular psoriasis of palms and soles
7. Psoriaa
8. #1–#7/OR
Intervention 9. Medicine, Chinese traditional (MeSH)
10. Chinese traditional medicine
11. Chinese herbal drugs
12. Chinese drugs, plant
13. Medicine, traditional
14. Ethnopharmacology
15. Ethnomedicine
16. Ethnobotany
17. Medicine, Kampo
18. Kampo
19. TCM
20. TCM
21. Medicine, ayurvedicb
22. Phytotherapy
23. Herbology
24. Plants, medicinal
25. Plant preparations
26. Plant extracts
27. Plants, medicine
28. Materia medica
29. Single prescription
30. Chinese medicine herb
31. Herbal medicine
32. Herbs
33. #9–#32/OR
Study type 34. Randomized controlled trial (pt)
35. Controlled clinical trial (pt)
36. Randomized (tiab)
37. Randomly (tiab)
38. Placebo (tiab)
39. Trial (tiab)
40. Groups (tiab)
41. #34–#40/OR
42. #8 AND #33 AND #41
  1. a Any word starts from Psoria
  2. b Traditional Indian Herbal Medicine