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Qualitative reporting of least useful complementary and alternative medical (CAM) modalities.
| CAM modality | N = 24 |
| Chiropractor | 7 |
| Acupuncture | 5 |
| Dry needling | 2 |
| Laser therapy | 2 |
| Physical therapy | 2 |
| Ultrasound | 2 |
Modalities that two or more interviewees rated as least useful.
