Blue-violet LED Light Source for Preventing HAIs; Systems for Treating Spinal Metastasis and Performing Partial Knee Replacement. Blue-violet LED Light Source for Preventing HAIs; Systems for Treating Spinal Metastasis and Performing Partial Knee Replacement
Blue-violet LED light fixtures.
![](https://www.ruhrstadtregion.de/wp-content/uploads/2017/04/health-home_576x288-image18.jpg)
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