Figure 2.

Photograph showing laser therapy procedure with laser head in skin contact in trial by Haker et al. The photograph is taken the trial report in from Archives of Physical Medicine 1991. The drawing of the laser spot sizes at different distances is taken from the manual of Space Mix 5 Mid-Laser (Space s.r.l, Italy).

Bjordal et al. BMC Musculoskeletal Disorders 2008 9:75   doi:10.1186/1471-2474-9-75
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