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Search Strategy for Medline
| 1. | exp Exercise/ |
| 2. | physical activity.ab. |
| 3. | aerobic*.ab. |
| 4. | or/1 to 3 |
| 5. | exp Biological Markers/ |
| 6. | Exercise Tolerance/ |
| 7. | Exercise Test/ |
| 8. | exp Oxygen Consumption/ |
| 9. | Physical Fitness/ |
| 10. | or/5 to 9 |
| 11. | randomized controlled trial.pt. |
| 12. | controlled clinical trial.pt. |
| 13. | Randomized Controlled Trials/ |
| 14. | Random Allocation/ |
| 15. | Intervention Studies/ |
| 16. | or/11 to 15 |
| 17. | 4 and 10 |
| 18. | 17 and 16 |
| 19. | limit 18 to English language |
| 20. | limit 19 to humans |
