Pulsed shortwave - Effective, useless or harmful?

Citation

Frost H (2002) Pulsed shortwave - Effective, useless or harmful?. Physiotherapy, 88 (10), p. 638. https://doi.org/10.1016/S0031-9406%2805%2960522-6

Notes
Output Type: Letter

Journal
Physiotherapy: Volume 88, Issue 10