1. | randomized controlled trial.pt. |
2. | controlled clinical trial.pt. |
3. | randomized controlled trials/ |
4. | random allocation/ |
5. | double blind method/ |
6. | single blind method/ |
7. | or/1–6 |
8. | animal/ not human/ |
9. | 7 not 8 |
10. | clinical trial.pt. |
11. | exp clinical trials/ |
12. | (clinic$ adj25 trials$).tw. |
13. | ((singl$ or doubl$ or trebl$ or tripl$) adj25 (blind$ or mask$)).tw. |
14. | placebos/ |
15. | placebo$.tw. |
16. | random$.tw. |
17. | research design/ |
18. | or/10–17 |
19. | 18 not 8 |
20. | 19 not 9 |
21. | or/9,20 |
22. | exp running/ |
23. | athletic injuries/ |
24. | soft tissue injuries/ |
25. | sprains and strains/ or cumulative trauma disorders/ |
26. | hip injuries.mp |
27. | knee injuries/ |
28. | ankle injuries/ |
29. | foot injuries/ |
30. | tendinitis/ |
31. | fasciitis/ |
32. | sports/ |
33. | sports medicine/ |
34. | physical education and training/ |
35. | physical fitness/ |
36. | or/22–35 |
37. | and/9,36 |
38. | and/20,36 |
39. | or/37–38 |